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<title>SWM34S_LVGL7.11_SWMUI: C:/Users/DELL/Desktop/Commit/lvgl/SWM34S_LVGL7.11_SWMUI_20230515/APP/Common Module/userboot.c 源文件</title>
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<li class="navelem"><a class="el" href="dir_0ca16891106f5a3e9ad635a0d6c5f98f.html">APP</a></li><li class="navelem"><a class="el" href="dir_df4e0e4e72f77ab290fd1a24f190250a.html">Common Module</a></li>  </ul>
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  <div class="headertitle"><div class="title">userboot.c</div></div>
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<a href="userboot_8c.html">浏览该文件的文档.</a><div class="fragment"><div class="line"><a id="l00001" name="l00001"></a><span class="lineno">    1</span> </div>
<div class="line"><a id="l00058" name="l00058"></a><span class="lineno">   58</span><span class="preprocessor">#include &lt;string.h&gt;</span></div>
<div class="line"><a id="l00059" name="l00059"></a><span class="lineno">   59</span><span class="preprocessor">#include &quot;<a class="code" href="userboot_8h.html">userboot.h</a>&quot;</span></div>
<div class="line"><a id="l00060" name="l00060"></a><span class="lineno">   60</span> </div>
<div class="line"><a id="l00061" name="l00061"></a><span class="lineno">   61</span><span class="preprocessor">#include &quot;<a class="code" href="bsp__init_8h.html">bsp_init.h</a>&quot;</span></div>
<div class="line"><a id="l00062" name="l00062"></a><span class="lineno">   62</span> </div>
<div class="line"><a id="l00063" name="l00063"></a><span class="lineno">   63</span><span class="comment">/*******************************************************************************************************************************************</span></div>
<div class="line"><a id="l00064" name="l00064"></a><span class="lineno">   64</span><span class="comment"> * Private Define</span></div>
<div class="line"><a id="l00065" name="l00065"></a><span class="lineno">   65</span><span class="comment"> *******************************************************************************************************************************************/</span></div>
<div class="line"><a id="l00066" name="l00066"></a><span class="lineno">   66</span><span class="comment">//#define UB_SECURE_AES_ENABLE /**&lt; 是否在 UserBoot 中添加及使用 AES 加密算法(软件实现会带来运行时间损耗)&lt;待调_暂不可用&gt; */</span></div>
<div class="line"><a id="l00067" name="l00067"></a><span class="lineno">   67</span> </div>
<div class="line"><a id="l00068" name="l00068"></a><span class="lineno"><a class="line" href="userboot_8c.html#a126cd8ab631c9b09085d875642eaafc8">   68</a></span><span class="preprocessor">#define UB_DEBUG_ENABLE </span></div>
<div class="line"><a id="l00071" name="l00071"></a><span class="lineno">   71</span><span class="preprocessor">#ifdef UB_DEBUG_ENABLE</span></div>
<div class="line"><a id="l00072" name="l00072"></a><span class="lineno"><a class="line" href="userboot_8c.html#a2a6f5a01513f0f9ca1e58abdd5fdf68d">   72</a></span><span class="preprocessor">    #define UB_LOG(...)                 printf(__VA_ARGS__)</span></div>
<div class="line"><a id="l00073" name="l00073"></a><span class="lineno">   73</span><span class="preprocessor">#else</span></div>
<div class="line"><a id="l00074" name="l00074"></a><span class="lineno">   74</span><span class="preprocessor">    #define UB_LOG(...)</span></div>
<div class="line"><a id="l00075" name="l00075"></a><span class="lineno">   75</span><span class="preprocessor">#endif</span></div>
<div class="line"><a id="l00076" name="l00076"></a><span class="lineno">   76</span> </div>
<div class="line"><a id="l00077" name="l00077"></a><span class="lineno">   77</span><span class="comment">/*******************************************************************************************************************************************</span></div>
<div class="line"><a id="l00078" name="l00078"></a><span class="lineno">   78</span><span class="comment"> * Private Typedef</span></div>
<div class="line"><a id="l00079" name="l00079"></a><span class="lineno">   79</span><span class="comment"> *******************************************************************************************************************************************/</span></div>
<div class="line"><a id="l00081" name="l00081"></a><span class="lineno"><a class="line" href="structfw__info__t.html">   81</a></span><span class="keyword">typedef</span> <span class="keyword">struct</span></div>
<div class="line"><a id="l00082" name="l00082"></a><span class="lineno">   82</span>{</div>
<div class="line"><a id="l00083" name="l00083"></a><span class="lineno"><a class="line" href="structfw__info__t.html#acd99bb05ca015e7d74448acb1deba7ca">   83</a></span>    uint32_t <a class="code hl_variable" href="structfw__info__t.html#acd99bb05ca015e7d74448acb1deba7ca">version</a>; </div>
<div class="line"><a id="l00084" name="l00084"></a><span class="lineno"><a class="line" href="structfw__info__t.html#ab2c6b258f02add8fdf4cfc7c371dd772">   84</a></span>    uint32_t <a class="code hl_variable" href="structfw__info__t.html#ab2c6b258f02add8fdf4cfc7c371dd772">size</a>;    </div>
<div class="line"><a id="l00085" name="l00085"></a><span class="lineno"><a class="line" href="structfw__info__t.html#a85b7a7f21b6108b69872839e2509cd67">   85</a></span>    uint32_t <a class="code hl_variable" href="structfw__info__t.html#a85b7a7f21b6108b69872839e2509cd67">crc</a>;     </div>
<div class="line"><a id="l00086" name="l00086"></a><span class="lineno"><a class="line" href="structfw__info__t.html#a8a0a8da4780d357dd4b4846a4d76fa0c">   86</a></span>    uint32_t <a class="code hl_variable" href="structfw__info__t.html#a8a0a8da4780d357dd4b4846a4d76fa0c">reserve</a>; </div>
<div class="line"><a id="l00087" name="l00087"></a><span class="lineno">   87</span>} <a class="code hl_struct" href="structfw__info__t.html">fw_info_t</a>;</div>
<div class="line"><a id="l00088" name="l00088"></a><span class="lineno">   88</span> </div>
<div class="line"><a id="l00090" name="l00090"></a><span class="lineno"><a class="line" href="structdev__info__t.html">   90</a></span><span class="keyword">typedef</span> <span class="keyword">struct</span></div>
<div class="line"><a id="l00091" name="l00091"></a><span class="lineno">   91</span>{</div>
<div class="line"><a id="l00092" name="l00092"></a><span class="lineno"><a class="line" href="structdev__info__t.html#a6dfc16436f3665ca64b76194408d632d">   92</a></span>    uint32_t <a class="code hl_variable" href="structdev__info__t.html#a6dfc16436f3665ca64b76194408d632d">boot</a>;         </div>
<div class="line"><a id="l00093" name="l00093"></a><span class="lineno"><a class="line" href="structdev__info__t.html#a5a45e014ab7b8fb98cf91232e2981e01">   93</a></span>    uint32_t <a class="code hl_variable" href="structdev__info__t.html#a5a45e014ab7b8fb98cf91232e2981e01">boot_version</a>; </div>
<div class="line"><a id="l00094" name="l00094"></a><span class="lineno"><a class="line" href="structdev__info__t.html#af0f0bc2625bc041256dc6a22c8cccb8c">   94</a></span>    uint32_t reserve[2];   </div>
<div class="line"><a id="l00095" name="l00095"></a><span class="lineno"><a class="line" href="structdev__info__t.html#afa0b1880d8da843fe65a6d238539458c">   95</a></span>    <a class="code hl_struct" href="structfw__info__t.html">fw_info_t</a> <a class="code hl_variable" href="structdev__info__t.html#afa0b1880d8da843fe65a6d238539458c">app</a>;         </div>
<div class="line"><a id="l00096" name="l00096"></a><span class="lineno">   96</span>} <a class="code hl_struct" href="structdev__info__t.html">dev_info_t</a>;</div>
<div class="line"><a id="l00097" name="l00097"></a><span class="lineno">   97</span> </div>
<div class="line"><a id="l00098" name="l00098"></a><span class="lineno">   98</span><span class="comment">/*******************************************************************************************************************************************</span></div>
<div class="line"><a id="l00099" name="l00099"></a><span class="lineno">   99</span><span class="comment"> * Private Constant</span></div>
<div class="line"><a id="l00100" name="l00100"></a><span class="lineno">  100</span><span class="comment"> *******************************************************************************************************************************************/</span></div>
<div class="line"><a id="l00101" name="l00101"></a><span class="lineno"><a class="line" href="userboot_8c.html#a19a96f539c8c822d99992939cc6e6a29">  101</a></span><span class="preprocessor">#define Flash_Alignment (4096)                                                 </span></div>
<div class="line"><a id="l00102" name="l00102"></a><span class="lineno"><a class="line" href="userboot_8c.html#ac8462a2c24f4214d1a59575a24920bbe">  102</a></span><span class="keyword">static</span> <span class="keyword">const</span> uint32_t <a class="code hl_variable" href="userboot_8c.html#ac8462a2c24f4214d1a59575a24920bbe">Chip_Flash_Max_Size</a> = 0x80000;                           </div>
<div class="line"><a id="l00103" name="l00103"></a><span class="lineno"><a class="line" href="userboot_8c.html#a71659dad8cb67ca7cd6b16840ad9b2f3">  103</a></span><span class="keyword">static</span> <span class="keyword">const</span> uint32_t <a class="code hl_variable" href="userboot_8c.html#a71659dad8cb67ca7cd6b16840ad9b2f3">UserBoot_Addr</a> = 0x00000;                                 </div>
<div class="line"><a id="l00104" name="l00104"></a><span class="lineno"><a class="line" href="userboot_8c.html#a7e49962dc2be19adc1eb81eae2a78320">  104</a></span><span class="keyword">static</span> <span class="keyword">const</span> uint32_t <a class="code hl_variable" href="userboot_8c.html#a7e49962dc2be19adc1eb81eae2a78320">UserBoot_Size</a> = 0x10000;                                 </div>
<div class="line"><a id="l00105" name="l00105"></a><span class="lineno"><a class="line" href="userboot_8c.html#a2a27e05527d357738dc88150ec892e0a">  105</a></span><span class="keyword">static</span> <span class="keyword">const</span> uint32_t <a class="code hl_variable" href="userboot_8c.html#a2a27e05527d357738dc88150ec892e0a">UserBoot_Version</a> = 0x20221016;                           </div>
<div class="line"><a id="l00106" name="l00106"></a><span class="lineno"><a class="line" href="userboot_8c.html#ab7b25dc5a7178e72dbb35375eb06604d">  106</a></span><span class="keyword">static</span> <span class="keyword">const</span> uint32_t <a class="code hl_variable" href="userboot_8c.html#ab7b25dc5a7178e72dbb35375eb06604d">Firmware_Addr</a> = <a class="code hl_variable" href="userboot_8c.html#a71659dad8cb67ca7cd6b16840ad9b2f3">UserBoot_Addr</a> + <a class="code hl_variable" href="userboot_8c.html#a7e49962dc2be19adc1eb81eae2a78320">UserBoot_Size</a>;           </div>
<div class="line"><a id="l00107" name="l00107"></a><span class="lineno"><a class="line" href="userboot_8c.html#aacc50e52c6d7172179c43b3dbc22b7e1">  107</a></span><span class="keyword">static</span> <span class="keyword">const</span> uint32_t <a class="code hl_variable" href="userboot_8c.html#aacc50e52c6d7172179c43b3dbc22b7e1">Firmware_Max_Size</a> = <a class="code hl_variable" href="userboot_8c.html#ac8462a2c24f4214d1a59575a24920bbe">Chip_Flash_Max_Size</a> - <a class="code hl_variable" href="userboot_8c.html#ab7b25dc5a7178e72dbb35375eb06604d">Firmware_Addr</a>; </div>
<div class="line"><a id="l00112" name="l00112"></a><span class="lineno"><a class="line" href="userboot_8c.html#a61b57d538c8e4da2b8682a3eb2262757">  112</a></span><span class="keyword">static</span> <span class="keyword">const</span> <a class="code hl_struct" href="structdev__info__t.html">dev_info_t</a> *<span class="keyword">const</span> <a class="code hl_variable" href="userboot_8c.html#a61b57d538c8e4da2b8682a3eb2262757">Device_Info</a> = (<span class="keyword">const</span> <a class="code hl_struct" href="structdev__info__t.html">dev_info_t</a> *<span class="keyword">const</span>)(<a class="code hl_variable" href="userboot_8c.html#ab7b25dc5a7178e72dbb35375eb06604d">Firmware_Addr</a> - <a class="code hl_define" href="userboot_8c.html#a19a96f539c8c822d99992939cc6e6a29">Flash_Alignment</a>);</div>
<div class="line"><a id="l00113" name="l00113"></a><span class="lineno">  113</span> </div>
<div class="line"><a id="l00115" name="l00115"></a><span class="lineno"><a class="line" href="userboot_8c.html#a270e2ece511b8901a7b62fbb52579127">  115</a></span><span class="keyword">static</span> <span class="keyword">const</span> <a class="code hl_enumeration" href="load__file_8h.html#a44edb5dd69763758dda6af4dd162c997">disk_t</a> <a class="code hl_variable" href="userboot_8c.html#a270e2ece511b8901a7b62fbb52579127">Move_Disk</a> = <a class="code hl_enumvalue" href="load__file_8h.html#a44edb5dd69763758dda6af4dd162c997a65f6b55fdc64778bf10632a795b97761">USB</a>;</div>
<div class="line"><a id="l00116" name="l00116"></a><span class="lineno">  116</span> </div>
<div class="line"><a id="l00117" name="l00117"></a><span class="lineno">  117</span><span class="comment">/*******************************************************************************************************************************************</span></div>
<div class="line"><a id="l00118" name="l00118"></a><span class="lineno">  118</span><span class="comment"> * Public Constant</span></div>
<div class="line"><a id="l00119" name="l00119"></a><span class="lineno">  119</span><span class="comment"> *******************************************************************************************************************************************/</span></div>
<div class="line"><a id="l00121" name="l00121"></a><span class="lineno"><a class="line" href="userboot_8c.html#a24048df1d0e7c6baee931ac9501003b6">  121</a></span><span class="keyword">const</span> <span class="keywordtype">char</span> *<span class="keyword">const</span> <a class="code hl_variable" href="userboot_8c.html#a24048df1d0e7c6baee931ac9501003b6">Firmware_Name_Update</a> = <span class="stringliteral">&quot;Firmware_SWM34S_Admin.bin&quot;</span>;</div>
<div class="line"><a id="l00123" name="l00123"></a><span class="lineno"><a class="line" href="userboot_8c.html#a538e1fe7d9d421fde968ca66d523f230">  123</a></span><span class="keyword">const</span> <span class="keywordtype">char</span> *<span class="keyword">const</span> <a class="code hl_variable" href="userboot_8c.html#a538e1fe7d9d421fde968ca66d523f230">Firmware_Name_Backup</a> = <span class="stringliteral">&quot;Firmware_SWM34S_Backups.bin&quot;</span>;</div>
<div class="line"><a id="l00125" name="l00125"></a><span class="lineno"><a class="line" href="userboot_8c.html#a28c8f7a4d5f717351aca6027fd3d7ab7">  125</a></span><span class="keyword">const</span> <a class="code hl_enumeration" href="load__file_8h.html#a44edb5dd69763758dda6af4dd162c997">disk_t</a> <a class="code hl_variable" href="userboot_8c.html#a28c8f7a4d5f717351aca6027fd3d7ab7">Firmware_Disk</a> = <a class="code hl_enumvalue" href="load__file_8h.html#a44edb5dd69763758dda6af4dd162c997aefea9eb0772378037221a3f1fe759a76">SPI</a>;</div>
<div class="line"><a id="l00126" name="l00126"></a><span class="lineno">  126</span> </div>
<div class="line"><a id="l00127" name="l00127"></a><span class="lineno">  127</span><span class="comment">/*******************************************************************************************************************************************</span></div>
<div class="line"><a id="l00128" name="l00128"></a><span class="lineno">  128</span><span class="comment"> * Private Variable</span></div>
<div class="line"><a id="l00129" name="l00129"></a><span class="lineno">  129</span><span class="comment"> *******************************************************************************************************************************************/</span></div>
<div class="line"><a id="l00130" name="l00130"></a><span class="lineno">  130</span><span class="preprocessor">#ifdef UB_SECURE_AES_ENABLE</span></div>
<div class="line"><a id="l00131" name="l00131"></a><span class="lineno">  131</span><span class="comment">// AES</span></div>
<div class="line"><a id="l00132" name="l00132"></a><span class="lineno">  132</span><span class="comment">//#include &quot;mbedtls/entropy.h&quot;</span></div>
<div class="line"><a id="l00133" name="l00133"></a><span class="lineno">  133</span><span class="preprocessor">#include &quot;mbedtls/ctr_drbg.h&quot;</span></div>
<div class="line"><a id="l00134" name="l00134"></a><span class="lineno">  134</span><span class="preprocessor">#include &quot;mbedtls/aes.h&quot;</span></div>
<div class="line"><a id="l00136" name="l00136"></a><span class="lineno">  136</span><span class="keyword">static</span> mbedtls_aes_context AES;</div>
<div class="line"><a id="l00138" name="l00138"></a><span class="lineno">  138</span><span class="keyword">static</span> uint8_t IV[16];</div>
<div class="line"><a id="l00140" name="l00140"></a><span class="lineno">  140</span><span class="keyword">static</span> uint8_t IV_Init[16] = {</div>
<div class="line"><a id="l00141" name="l00141"></a><span class="lineno">  141</span>    0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f};</div>
<div class="line"><a id="l00142" name="l00142"></a><span class="lineno">  142</span><span class="preprocessor">#endif</span></div>
<div class="line"><a id="l00143" name="l00143"></a><span class="lineno">  143</span> </div>
<div class="line"><a id="l00145" name="l00145"></a><span class="lineno"><a class="line" href="userboot_8c.html#a38146cd83df0f418546b0eadaeb369ff">  145</a></span><span class="keyword">static</span> uint8_t <a class="code hl_variable" href="userboot_8c.html#a38146cd83df0f418546b0eadaeb369ff">Read_Buff</a>[<a class="code hl_define" href="userboot_8c.html#a19a96f539c8c822d99992939cc6e6a29">Flash_Alignment</a>] __attribute__(( section(<span class="stringliteral">&quot;.SDRAM1&quot;</span>), aligned(4) ));</div>
<div class="line"><a id="l00147" name="l00147"></a><span class="lineno"><a class="line" href="userboot_8c.html#a4a0b2732c5f61ce1fb64c5c1e63f6df3">  147</a></span><span class="keyword">static</span> uint8_t <a class="code hl_variable" href="userboot_8c.html#a4a0b2732c5f61ce1fb64c5c1e63f6df3">Write_Buff</a>[<a class="code hl_define" href="userboot_8c.html#a19a96f539c8c822d99992939cc6e6a29">Flash_Alignment</a>] __attribute__(( section(<span class="stringliteral">&quot;.SDRAM1&quot;</span>), aligned(4) ));</div>
<div class="line"><a id="l00148" name="l00148"></a><span class="lineno">  148</span> </div>
<div class="line"><a id="l00149" name="l00149"></a><span class="lineno">  149</span><span class="comment">/*******************************************************************************************************************************************</span></div>
<div class="line"><a id="l00150" name="l00150"></a><span class="lineno">  150</span><span class="comment"> * Private Prototype</span></div>
<div class="line"><a id="l00151" name="l00151"></a><span class="lineno">  151</span><span class="comment"> *******************************************************************************************************************************************/</span></div>
<div class="line"><a id="l00152" name="l00152"></a><span class="lineno">  152</span><span class="keyword">static</span> <span class="keywordtype">void</span> <a class="code hl_function" href="userboot_8c.html#a01aae38566ae3dd519a6c18696ab2806">reset_mcu</a>(<span class="keywordtype">void</span>);</div>
<div class="line"><a id="l00153" name="l00153"></a><span class="lineno">  153</span><span class="keyword">static</span> <span class="keywordtype">void</span> <a class="code hl_function" href="userboot_8c.html#a78c7624204dca44707593279758c0c98">jump_to_app</a>(<span class="keyword">const</span> uint32_t addr);</div>
<div class="line"><a id="l00154" name="l00154"></a><span class="lineno">  154</span><span class="keyword">static</span> <span class="keyword">inline</span> uint32_t <a class="code hl_function" href="userboot_8c.html#aeeea4715dd32a4a4ecdf61a2869d1307">calculate_crc</a>(<a class="code hl_struct" href="structfw__info__t.html">fw_info_t</a> *data);</div>
<div class="line"><a id="l00155" name="l00155"></a><span class="lineno">  155</span><span class="keyword">static</span> uint8_t <a class="code hl_function" href="userboot_8c.html#a9412f435ea365342178b2399fc08a846">set_device_info</a>(<span class="keyword">const</span> <a class="code hl_struct" href="structdev__info__t.html">dev_info_t</a> *ptr);</div>
<div class="line"><a id="l00156" name="l00156"></a><span class="lineno">  156</span><span class="keyword">static</span> uint8_t <a class="code hl_function" href="userboot_8c.html#a43be464e9071b97862e51b2273afd856">firmware_backup</a>(<span class="keyword">const</span> <span class="keywordtype">char</span> *path, <a class="code hl_typedef" href="userboot_8h.html#a73b10fad3e8bed1f1afc0b09e52b4498">data_code_cb</a> data_enc);</div>
<div class="line"><a id="l00157" name="l00157"></a><span class="lineno">  157</span><span class="keyword">static</span> uint8_t <a class="code hl_function" href="userboot_8c.html#ae1cbf84771d87b5530710ae6852bd827">firmware_update</a>(<span class="keyword">const</span> <span class="keywordtype">char</span> *path, <a class="code hl_typedef" href="userboot_8h.html#a73b10fad3e8bed1f1afc0b09e52b4498">data_code_cb</a> data_dec);</div>
<div class="line"><a id="l00158" name="l00158"></a><span class="lineno">  158</span> </div>
<div class="line"><a id="l00159" name="l00159"></a><span class="lineno">  159</span><span class="comment">/*******************************************************************************************************************************************</span></div>
<div class="line"><a id="l00160" name="l00160"></a><span class="lineno">  160</span><span class="comment"> * Public Function</span></div>
<div class="line"><a id="l00161" name="l00161"></a><span class="lineno">  161</span><span class="comment"> *******************************************************************************************************************************************/</span></div>
<div class="line"><a id="l00168" name="l00168"></a><span class="lineno"><a class="line" href="userboot_8c.html#a5d51bf8d3184d1c34b5fde41d69b1559">  168</a></span><span class="keywordtype">void</span> <a class="code hl_function" href="userboot_8c.html#a5d51bf8d3184d1c34b5fde41d69b1559">userboot</a>(<span class="keywordtype">void</span>)</div>
<div class="line"><a id="l00169" name="l00169"></a><span class="lineno">  169</span>{</div>
<div class="line"><a id="l00170" name="l00170"></a><span class="lineno">  170</span>    uint8_t res = 0;</div>
<div class="line"><a id="l00171" name="l00171"></a><span class="lineno">  171</span>    <span class="comment">/* 已在 startup_SWM341.s 的 Reset_Handler 中调用</span></div>
<div class="line"><a id="l00172" name="l00172"></a><span class="lineno">  172</span><span class="comment">    SystemInit();</span></div>
<div class="line"><a id="l00173" name="l00173"></a><span class="lineno">  173</span><span class="comment">    sfc_init();   //初始化总线上外挂的SPI-Flash, 将其映射至MCU内部(可选外设)</span></div>
<div class="line"><a id="l00174" name="l00174"></a><span class="lineno">  174</span><span class="comment">    sdram_init(); //初始化总线上外挂的SDRAM&lt;芯片内置&gt;, 将其映射至MCU内部(可选外设)</span></div>
<div class="line"><a id="l00175" name="l00175"></a><span class="lineno">  175</span><span class="comment">    */</span></div>
<div class="line"><a id="l00176" name="l00176"></a><span class="lineno">  176</span>    <span class="keywordflow">if</span> (SYS-&gt;RSTSR &amp; SYS_RSTSR_POR_Msk) <span class="comment">// 1 出现过 POR 复位, 写1清零</span></div>
<div class="line"><a id="l00177" name="l00177"></a><span class="lineno">  177</span>    {</div>
<div class="line"><a id="l00178" name="l00178"></a><span class="lineno">  178</span>        SYS-&gt;RSTSR |= (1 &lt;&lt; SYS_RSTSR_POR_Pos);</div>
<div class="line"><a id="l00179" name="l00179"></a><span class="lineno">  179</span>    }</div>
<div class="line"><a id="l00180" name="l00180"></a><span class="lineno">  180</span>    <span class="keywordflow">if</span> (SYS-&gt;RSTSR &amp; SYS_RSTSR_WDT_Msk) <span class="comment">// 1 出现过 WDT 复位, 写1清零</span></div>
<div class="line"><a id="l00181" name="l00181"></a><span class="lineno">  181</span>    {</div>
<div class="line"><a id="l00182" name="l00182"></a><span class="lineno">  182</span>        SYS-&gt;RSTSR |= (1 &lt;&lt; SYS_RSTSR_WDT_Pos);</div>
<div class="line"><a id="l00183" name="l00183"></a><span class="lineno">  183</span>    }</div>
<div class="line"><a id="l00184" name="l00184"></a><span class="lineno">  184</span> </div>
<div class="line"><a id="l00185" name="l00185"></a><span class="lineno">  185</span>    <span class="comment">//检测启动引导标志位</span></div>
<div class="line"><a id="l00186" name="l00186"></a><span class="lineno">  186</span>    <span class="keywordflow">if</span> (<a class="code hl_variable" href="userboot_8c.html#a61b57d538c8e4da2b8682a3eb2262757">Device_Info</a>-&gt;<a class="code hl_variable" href="structdev__info__t.html#a6dfc16436f3665ca64b76194408d632d">boot</a> == <a class="code hl_define" href="userboot_8h.html#ab5291277ab324974f338bae35cb1c659">GO_APP</a>)</div>
<div class="line"><a id="l00187" name="l00187"></a><span class="lineno">  187</span>    {</div>
<div class="line"><a id="l00188" name="l00188"></a><span class="lineno">  188</span>        <span class="comment">/* 跳转到APP前需要将 UserBoot 使用的外设关掉（复位）*/</span></div>
<div class="line"><a id="l00189" name="l00189"></a><span class="lineno">  189</span>        __disable_irq();</div>
<div class="line"><a id="l00190" name="l00190"></a><span class="lineno">  190</span>        </div>
<div class="line"><a id="l00191" name="l00191"></a><span class="lineno">  191</span><span class="preprocessor">#if 0 </span><span class="comment">/* 由于 Systick 属于内核附带的外设, 如在 Boot 中有使用开启, 则需要单独使用以下语句关闭, 否则跳转 APP 将会失败 */</span><span class="preprocessor"></span></div>
<div class="line"><a id="l00192" name="l00192"></a><span class="lineno">  192</span>        <span class="comment">/* Disable SysTick IRQ and SysTick Timer */</span></div>
<div class="line"><a id="l00193" name="l00193"></a><span class="lineno">  193</span>        SysTick-&gt;CTRL &amp;= ~(SysTick_CTRL_TICKINT_Msk | SysTick_CTRL_ENABLE_Msk);</div>
<div class="line"><a id="l00194" name="l00194"></a><span class="lineno">  194</span><span class="preprocessor">#endif</span></div>
<div class="line"><a id="l00195" name="l00195"></a><span class="lineno">  195</span>        <span class="comment">/* 个别外设不能重复初始化, 故需要在跳转前先复位,</span></div>
<div class="line"><a id="l00196" name="l00196"></a><span class="lineno">  196</span><span class="comment">         * 但对于 GPIO 而言, 由于复位后为浮空状态, 对于需要保持 IO 输出电平的场景(eg : IO控制外部器件供电), 跳转时无需复位 GPIO </span></div>
<div class="line"><a id="l00197" name="l00197"></a><span class="lineno">  197</span><span class="comment">         */</span></div>
<div class="line"><a id="l00198" name="l00198"></a><span class="lineno">  198</span>        SYS-&gt;PRSTEN = 0x55;</div>
<div class="line"><a id="l00199" name="l00199"></a><span class="lineno">  199</span>        SYS-&gt;PRSTR0 = 0xFFFFFFFF &amp; (~SYS_PRSTR0_ANAC_Msk); <span class="comment">/* 始终不允许复位 ANAC 模拟控制单元 */</span></div>
<div class="line"><a id="l00200" name="l00200"></a><span class="lineno">  200</span>        SYS-&gt;PRSTR1 = 0xFFFFFFFF;</div>
<div class="line"><a id="l00201" name="l00201"></a><span class="lineno">  201</span>        <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i &lt; CyclesPerUs; i++)</div>
<div class="line"><a id="l00202" name="l00202"></a><span class="lineno">  202</span>            __NOP();</div>
<div class="line"><a id="l00203" name="l00203"></a><span class="lineno">  203</span>        SYS-&gt;PRSTR0 = 0;</div>
<div class="line"><a id="l00204" name="l00204"></a><span class="lineno">  204</span>        SYS-&gt;PRSTR1 = 0;</div>
<div class="line"><a id="l00205" name="l00205"></a><span class="lineno">  205</span>        SYS-&gt;PRSTEN = 0;</div>
<div class="line"><a id="l00206" name="l00206"></a><span class="lineno">  206</span> </div>
<div class="line"><a id="l00207" name="l00207"></a><span class="lineno">  207</span>        NVIC-&gt;ICER[0] = 0xFFFFFFFF;</div>
<div class="line"><a id="l00208" name="l00208"></a><span class="lineno">  208</span>        NVIC-&gt;ICER[1] = 0xFFFFFFFF;</div>
<div class="line"><a id="l00209" name="l00209"></a><span class="lineno">  209</span>        NVIC-&gt;ICER[2] = 0xFFFFFFFF;</div>
<div class="line"><a id="l00210" name="l00210"></a><span class="lineno">  210</span> </div>
<div class="line"><a id="l00211" name="l00211"></a><span class="lineno">  211</span>        <a class="code hl_function" href="userboot_8c.html#a78c7624204dca44707593279758c0c98">jump_to_app</a>(<a class="code hl_variable" href="userboot_8c.html#ab7b25dc5a7178e72dbb35375eb06604d">Firmware_Addr</a>);</div>
<div class="line"><a id="l00212" name="l00212"></a><span class="lineno">  212</span>    }</div>
<div class="line"><a id="l00213" name="l00213"></a><span class="lineno">  213</span> </div>
<div class="line"><a id="l00214" name="l00214"></a><span class="lineno">  214</span>    <a class="code hl_function" href="dev__uart_8c.html#afd092ef1d390fe16bc90e101bbbca1d8">uart_debug_init</a>(); <span class="comment">//仅用作调试日志打印</span></div>
<div class="line"><a id="l00215" name="l00215"></a><span class="lineno">  215</span> </div>
<div class="line"><a id="l00216" name="l00216"></a><span class="lineno">  216</span>    <a class="code hl_function" href="dev__crc_8c.html#af9273c2c56ccb1b14946a43defe57f6b">crc_init</a>(); <span class="comment">//硬件 CRC32 初始化</span></div>
<div class="line"><a id="l00217" name="l00217"></a><span class="lineno">  217</span> </div>
<div class="line"><a id="l00218" name="l00218"></a><span class="lineno">  218</span>    <span class="comment">//芯片可以提供唯一 96 bit ID 号用于加密使用</span></div>
<div class="line"><a id="l00219" name="l00219"></a><span class="lineno">  219</span>    uint32_t chip_id[128 / 32];</div>
<div class="line"><a id="l00220" name="l00220"></a><span class="lineno">  220</span>    chip_id[0] = SYS-&gt;CHIPID[0];</div>
<div class="line"><a id="l00221" name="l00221"></a><span class="lineno">  221</span>    chip_id[1] = SYS-&gt;CHIPID[1];</div>
<div class="line"><a id="l00222" name="l00222"></a><span class="lineno">  222</span>    chip_id[2] = SYS-&gt;CHIPID[2];</div>
<div class="line"><a id="l00223" name="l00223"></a><span class="lineno">  223</span>    chip_id[3] = SYS-&gt;CHIPID[0]; <span class="comment">//不足的按重复填充</span></div>
<div class="line"><a id="l00224" name="l00224"></a><span class="lineno">  224</span>    <a class="code hl_define" href="userboot_8c.html#a2a6f5a01513f0f9ca1e58abdd5fdf68d">UB_LOG</a>(<span class="stringliteral">&quot;The [Chip_ID] = 0x[%x][%x][%x]\r\n&quot;</span>, chip_id[0], chip_id[1], chip_id[2]);</div>
<div class="line"><a id="l00225" name="l00225"></a><span class="lineno">  225</span> </div>
<div class="line"><a id="l00226" name="l00226"></a><span class="lineno">  226</span><span class="preprocessor">#ifdef UB_SECURE_AES_ENABLE</span></div>
<div class="line"><a id="l00227" name="l00227"></a><span class="lineno">  227</span>    <span class="comment">//初始化 AES 算法, 并设置密钥</span></div>
<div class="line"><a id="l00228" name="l00228"></a><span class="lineno">  228</span>    mbedtls_aes_init(&amp;AES);</div>
<div class="line"><a id="l00229" name="l00229"></a><span class="lineno">  229</span>    mbedtls_aes_setkey_enc(&amp;AES, (<span class="keyword">const</span> uint8_t *)chip_id, 128);</div>
<div class="line"><a id="l00230" name="l00230"></a><span class="lineno">  230</span>    mbedtls_aes_setkey_dec(&amp;AES, (<span class="keyword">const</span> uint8_t *)chip_id, 128);</div>
<div class="line"><a id="l00231" name="l00231"></a><span class="lineno">  231</span>    <span class="comment">// mbedtls_aes_free(&amp;AES);</span></div>
<div class="line"><a id="l00232" name="l00232"></a><span class="lineno">  232</span> </div>
<div class="line"><a id="l00233" name="l00233"></a><span class="lineno">  233</span>    <span class="comment">/* 使用硬件 PRNG 随机数 填充 IV 初值</span></div>
<div class="line"><a id="l00234" name="l00234"></a><span class="lineno">  234</span><span class="comment">    //设置密文分组的默认初值</span></div>
<div class="line"><a id="l00235" name="l00235"></a><span class="lineno">  235</span><span class="comment">    SYS-&gt;HRCCR |= (1 &lt;&lt; SYS_HRCCR_ON_Pos);</span></div>
<div class="line"><a id="l00236" name="l00236"></a><span class="lineno">  236</span><span class="comment">    SYS-&gt;LRCCR |= (1 &lt;&lt; SYS_LRCCR_ON_Pos);</span></div>
<div class="line"><a id="l00237" name="l00237"></a><span class="lineno">  237</span><span class="comment">    SYS-&gt;PRNGCR = (0 &lt;&lt; SYS_PRNGCR_CLR_Pos) |</span></div>
<div class="line"><a id="l00238" name="l00238"></a><span class="lineno">  238</span><span class="comment">                  (3 &lt;&lt; SYS_PRNGCR_MODE_Pos);</span></div>
<div class="line"><a id="l00239" name="l00239"></a><span class="lineno">  239</span><span class="comment">    for (uint32_t i = 0; i &lt; sizeof(IV) / sizeof(IV[0]); ++i)</span></div>
<div class="line"><a id="l00240" name="l00240"></a><span class="lineno">  240</span><span class="comment">    {</span></div>
<div class="line"><a id="l00241" name="l00241"></a><span class="lineno">  241</span><span class="comment">        while ((SYS-&gt;PRNGCR &amp; SYS_PRNGCR_RDY_Msk) == 0)</span></div>
<div class="line"><a id="l00242" name="l00242"></a><span class="lineno">  242</span><span class="comment">            __NOP();</span></div>
<div class="line"><a id="l00243" name="l00243"></a><span class="lineno">  243</span><span class="comment">        IV_Init[i] = SYS-&gt;PRNGDH + SYS-&gt;PRNGDL;</span></div>
<div class="line"><a id="l00244" name="l00244"></a><span class="lineno">  244</span><span class="comment">        // UB_LOG(&quot;PRNGDL: %08X, PRNGDH: %08X\n&quot;, SYS-&gt;PRNGDL, SYS-&gt;PRNGDH);</span></div>
<div class="line"><a id="l00245" name="l00245"></a><span class="lineno">  245</span><span class="comment"></span> </div>
<div class="line"><a id="l00246" name="l00246"></a><span class="lineno">  246</span><span class="comment">        for (i = 0; i &lt; SystemCoreClock / 8; i++)</span></div>
<div class="line"><a id="l00247" name="l00247"></a><span class="lineno">  247</span><span class="comment">            __NOP();</span></div>
<div class="line"><a id="l00248" name="l00248"></a><span class="lineno">  248</span><span class="comment">    }</span></div>
<div class="line"><a id="l00249" name="l00249"></a><span class="lineno">  249</span><span class="comment">    */</span></div>
<div class="line"><a id="l00250" name="l00250"></a><span class="lineno">  250</span>    memcpy(IV, IV_Init, <span class="keyword">sizeof</span>(IV)); <span class="comment">//重置密文分组</span></div>
<div class="line"><a id="l00251" name="l00251"></a><span class="lineno">  251</span> </div>
<div class="line"><a id="l00252" name="l00252"></a><span class="lineno">  252</span><span class="preprocessor">#endif</span></div>
<div class="line"><a id="l00253" name="l00253"></a><span class="lineno">  253</span> </div>
<div class="line"><a id="l00254" name="l00254"></a><span class="lineno">  254</span>    <span class="keywordtype">char</span> firmware_path_update[FF_MAX_LFN]; <span class="comment">//更新固件的绝对路径</span></div>
<div class="line"><a id="l00255" name="l00255"></a><span class="lineno">  255</span>    sprintf(firmware_path_update, <span class="stringliteral">&quot;%s%s&quot;</span>, <a class="code hl_variable" href="load__file_8c.html#a08687ba7285d01a737a269b697bb661c">VolumeStr</a>[<a class="code hl_variable" href="userboot_8c.html#a28c8f7a4d5f717351aca6027fd3d7ab7">Firmware_Disk</a>], <a class="code hl_variable" href="userboot_8c.html#a24048df1d0e7c6baee931ac9501003b6">Firmware_Name_Update</a>);</div>
<div class="line"><a id="l00256" name="l00256"></a><span class="lineno">  256</span> </div>
<div class="line"><a id="l00257" name="l00257"></a><span class="lineno">  257</span>    <span class="keywordtype">char</span> firmware_path_backup[FF_MAX_LFN]; <span class="comment">//备份固件的绝对路径</span></div>
<div class="line"><a id="l00258" name="l00258"></a><span class="lineno">  258</span>    sprintf(firmware_path_backup, <span class="stringliteral">&quot;%s%s&quot;</span>, <a class="code hl_variable" href="load__file_8c.html#a08687ba7285d01a737a269b697bb661c">VolumeStr</a>[<a class="code hl_variable" href="userboot_8c.html#a28c8f7a4d5f717351aca6027fd3d7ab7">Firmware_Disk</a>], <a class="code hl_variable" href="userboot_8c.html#a538e1fe7d9d421fde968ca66d523f230">Firmware_Name_Backup</a>);</div>
<div class="line"><a id="l00259" name="l00259"></a><span class="lineno">  259</span> </div>
<div class="line"><a id="l00260" name="l00260"></a><span class="lineno">  260</span>    <span class="keywordtype">char</span> firmware_path_move[FF_MAX_LFN]; <span class="comment">//外部固件的绝对路径</span></div>
<div class="line"><a id="l00261" name="l00261"></a><span class="lineno">  261</span>    sprintf(firmware_path_move, <span class="stringliteral">&quot;%s%s&quot;</span>, <a class="code hl_variable" href="load__file_8c.html#a08687ba7285d01a737a269b697bb661c">VolumeStr</a>[<a class="code hl_variable" href="userboot_8c.html#a270e2ece511b8901a7b62fbb52579127">Move_Disk</a>], <a class="code hl_variable" href="userboot_8c.html#a24048df1d0e7c6baee931ac9501003b6">Firmware_Name_Update</a>);</div>
<div class="line"><a id="l00262" name="l00262"></a><span class="lineno">  262</span> </div>
<div class="line"><a id="l00263" name="l00263"></a><span class="lineno">  263</span>    FILINFO fno;</div>
<div class="line"><a id="l00264" name="l00264"></a><span class="lineno">  264</span> </div>
<div class="line"><a id="l00265" name="l00265"></a><span class="lineno">  265</span>    res = <a class="code hl_function" href="load__file_8c.html#aebe4a0d647831986c734e1788150a064">fs_mount</a>(<a class="code hl_variable" href="userboot_8c.html#a28c8f7a4d5f717351aca6027fd3d7ab7">Firmware_Disk</a>);</div>
<div class="line"><a id="l00266" name="l00266"></a><span class="lineno">  266</span>    <span class="keywordflow">if</span> (res != 0) <span class="comment">//本地存储挂载文件系统</span></div>
<div class="line"><a id="l00267" name="l00267"></a><span class="lineno">  267</span>    {</div>
<div class="line"><a id="l00268" name="l00268"></a><span class="lineno">  268</span>        <a class="code hl_define" href="userboot_8c.html#a2a6f5a01513f0f9ca1e58abdd5fdf68d">UB_LOG</a>(<span class="stringliteral">&quot;The [fs_mount] &lt;Firmware_Disk[%d]&gt; result is [%d]!\r\n&quot;</span>, <a class="code hl_variable" href="userboot_8c.html#a28c8f7a4d5f717351aca6027fd3d7ab7">Firmware_Disk</a>, res);</div>
<div class="line"><a id="l00269" name="l00269"></a><span class="lineno">  269</span> </div>
<div class="line"><a id="l00270" name="l00270"></a><span class="lineno">  270</span>        <span class="comment">//若出现此种情况, 此处应执行一些特定严重警告的语句以提示用户</span></div>
<div class="line"><a id="l00271" name="l00271"></a><span class="lineno">  271</span>        <span class="comment">//while (1) __NOP();//不允许出现本地存储无法挂载的情况, 这会导致 UserBoot 功能无法执行</span></div>
<div class="line"><a id="l00272" name="l00272"></a><span class="lineno">  272</span>        <span class="keywordflow">goto</span> exit_reset;</div>
<div class="line"><a id="l00273" name="l00273"></a><span class="lineno">  273</span>    }</div>
<div class="line"><a id="l00274" name="l00274"></a><span class="lineno">  274</span> </div>
<div class="line"><a id="l00275" name="l00275"></a><span class="lineno">  275</span>    <span class="keywordflow">switch</span> (<a class="code hl_variable" href="userboot_8c.html#a61b57d538c8e4da2b8682a3eb2262757">Device_Info</a>-&gt;<a class="code hl_variable" href="structdev__info__t.html#a6dfc16436f3665ca64b76194408d632d">boot</a>)</div>
<div class="line"><a id="l00276" name="l00276"></a><span class="lineno">  276</span>    {</div>
<div class="line"><a id="l00277" name="l00277"></a><span class="lineno">  277</span>    <span class="comment">/*</span></div>
<div class="line"><a id="l00278" name="l00278"></a><span class="lineno">  278</span><span class="comment">    case (GO_APP): //跳转至 app 运行</span></div>
<div class="line"><a id="l00279" name="l00279"></a><span class="lineno">  279</span><span class="comment">        jump_to_app(Firmware_Addr);</span></div>
<div class="line"><a id="l00280" name="l00280"></a><span class="lineno">  280</span><span class="comment">        break;</span></div>
<div class="line"><a id="l00281" name="l00281"></a><span class="lineno">  281</span><span class="comment">    */</span></div>
<div class="line"><a id="l00282" name="l00282"></a><span class="lineno">  282</span>    <span class="keywordflow">case</span> (<a class="code hl_define" href="userboot_8h.html#a734de0e7ed34780e74e947005d781741">EXEC_UPDATE</a>): <span class="comment">//检测到有可更新的固件, 进行更新</span></div>
<div class="line"><a id="l00283" name="l00283"></a><span class="lineno">  283</span> </div>
<div class="line"><a id="l00284" name="l00284"></a><span class="lineno">  284</span>        <span class="keywordflow">if</span> (FR_OK != f_stat(firmware_path_backup, &amp;fno)) <span class="comment">//如果没有备份固件, 则先进行备份</span></div>
<div class="line"><a id="l00285" name="l00285"></a><span class="lineno">  285</span>        {</div>
<div class="line"><a id="l00286" name="l00286"></a><span class="lineno">  286</span>            res = <a class="code hl_function" href="userboot_8c.html#a43be464e9071b97862e51b2273afd856">firmware_backup</a>(firmware_path_backup, <a class="code hl_function" href="userboot_8c.html#a52a519a37465a7b4515a237114afa802">data_encode</a>);</div>
<div class="line"><a id="l00287" name="l00287"></a><span class="lineno">  287</span>        }</div>
<div class="line"><a id="l00288" name="l00288"></a><span class="lineno">  288</span>        <span class="keywordflow">if</span> (res == 0) <span class="comment">//第一份固件备份成功</span></div>
<div class="line"><a id="l00289" name="l00289"></a><span class="lineno">  289</span>        {</div>
<div class="line"><a id="l00290" name="l00290"></a><span class="lineno">  290</span>            res = <a class="code hl_function" href="userboot_8c.html#ae1cbf84771d87b5530710ae6852bd827">firmware_update</a>(firmware_path_update, <a class="code hl_function" href="userboot_8c.html#a0591f13c34e15c4d9fbe31fd99726a94">data_decode</a>);</div>
<div class="line"><a id="l00291" name="l00291"></a><span class="lineno">  291</span>            <span class="keywordflow">if</span> (res == 0) <span class="comment">//更新完成, 可以跳转</span></div>
<div class="line"><a id="l00292" name="l00292"></a><span class="lineno">  292</span>            {</div>
<div class="line"><a id="l00293" name="l00293"></a><span class="lineno">  293</span>                res = <a class="code hl_function" href="userboot_8c.html#a43be464e9071b97862e51b2273afd856">firmware_backup</a>(firmware_path_backup, <a class="code hl_function" href="userboot_8c.html#a52a519a37465a7b4515a237114afa802">data_encode</a>);</div>
<div class="line"><a id="l00294" name="l00294"></a><span class="lineno">  294</span>                <a class="code hl_define" href="userboot_8c.html#a2a6f5a01513f0f9ca1e58abdd5fdf68d">UB_LOG</a>(<span class="stringliteral">&quot;The [firmware_backup] backup[%s], result is [%d]!\r\n&quot;</span>, firmware_path_backup, res);</div>
<div class="line"><a id="l00295" name="l00295"></a><span class="lineno">  295</span>                <a class="code hl_function" href="userboot_8c.html#acdd804b92809fcd58b2bc135fc74666c">jump_to_userboot</a>(<a class="code hl_define" href="userboot_8h.html#ab5291277ab324974f338bae35cb1c659">GO_APP</a>, <span class="keyword">true</span>);</div>
<div class="line"><a id="l00296" name="l00296"></a><span class="lineno">  296</span>            }</div>
<div class="line"><a id="l00297" name="l00297"></a><span class="lineno">  297</span>        }</div>
<div class="line"><a id="l00298" name="l00298"></a><span class="lineno">  298</span>        <span class="comment">//上述工作流程出现错误</span></div>
<div class="line"><a id="l00299" name="l00299"></a><span class="lineno">  299</span>        <a class="code hl_define" href="userboot_8c.html#a2a6f5a01513f0f9ca1e58abdd5fdf68d">UB_LOG</a>(<span class="stringliteral">&quot;The [EXEC_UPDATE] backup[%s] update[%s], result is [%d]!\r\n&quot;</span>, firmware_path_backup, firmware_path_update, res);</div>
<div class="line"><a id="l00300" name="l00300"></a><span class="lineno">  300</span>        <span class="keywordflow">break</span>;</div>
<div class="line"><a id="l00301" name="l00301"></a><span class="lineno">  301</span> </div>
<div class="line"><a id="l00302" name="l00302"></a><span class="lineno">  302</span>    <span class="keywordflow">case</span> (<a class="code hl_define" href="userboot_8h.html#a9253bb7b430cfb21c7a598b2bf67cceb">BACKUP_RESTORE</a>): <span class="comment">//出现错误变砖后, 从备份区恢复固件</span></div>
<div class="line"><a id="l00303" name="l00303"></a><span class="lineno">  303</span>        res = <a class="code hl_function" href="userboot_8c.html#ae1cbf84771d87b5530710ae6852bd827">firmware_update</a>(firmware_path_backup, <a class="code hl_function" href="userboot_8c.html#a0591f13c34e15c4d9fbe31fd99726a94">data_decode</a>);</div>
<div class="line"><a id="l00304" name="l00304"></a><span class="lineno">  304</span>        <span class="keywordflow">if</span> (res == 0) <span class="comment">//写入旧固件完成, 可以跳转恢复</span></div>
<div class="line"><a id="l00305" name="l00305"></a><span class="lineno">  305</span>        {</div>
<div class="line"><a id="l00306" name="l00306"></a><span class="lineno">  306</span>            <a class="code hl_function" href="userboot_8c.html#acdd804b92809fcd58b2bc135fc74666c">jump_to_userboot</a>(<a class="code hl_define" href="userboot_8h.html#ab5291277ab324974f338bae35cb1c659">GO_APP</a>, <span class="keyword">true</span>);</div>
<div class="line"><a id="l00307" name="l00307"></a><span class="lineno">  307</span>        }</div>
<div class="line"><a id="l00308" name="l00308"></a><span class="lineno">  308</span>        <span class="comment">//上述工作流程出现错误</span></div>
<div class="line"><a id="l00309" name="l00309"></a><span class="lineno">  309</span>        <a class="code hl_define" href="userboot_8c.html#a2a6f5a01513f0f9ca1e58abdd5fdf68d">UB_LOG</a>(<span class="stringliteral">&quot;The [BACKUP_RESTORE] backup[%s], result is [%d]!\r\n&quot;</span>, firmware_path_backup, res);</div>
<div class="line"><a id="l00310" name="l00310"></a><span class="lineno">  310</span>        <span class="keywordflow">break</span>;</div>
<div class="line"><a id="l00311" name="l00311"></a><span class="lineno">  311</span> </div>
<div class="line"><a id="l00312" name="l00312"></a><span class="lineno">  312</span>    <span class="keywordflow">default</span>: <span class="comment">//这是 UserBoot 第一次启动, 没有经过 APP 更新函数 故必然没有固件头, 此时应检测是否存在通过 Keil 下载的原生固件</span></div>
<div class="line"><a id="l00313" name="l00313"></a><span class="lineno">  313</span> </div>
<div class="line"><a id="l00314" name="l00314"></a><span class="lineno">  314</span>        <span class="comment">/*  通过判断栈定地址值是否在 0x2000 0000 - 0x2001 0000 之间 ( SWM341 RAM Max : 0x1 0000 &lt;64KB&gt; ) 来判断应用程序是否已经下载到指定地址.</span></div>
<div class="line"><a id="l00315" name="l00315"></a><span class="lineno">  315</span><span class="comment">         *  因为中断向量表里第一个放的就是栈顶地址的值, 如果该值不在 RAM 区间地址内, 即使这是固件也是不合法的.</span></div>
<div class="line"><a id="l00316" name="l00316"></a><span class="lineno">  316</span><span class="comment">         */</span></div>
<div class="line"><a id="l00317" name="l00317"></a><span class="lineno">  317</span>        <span class="keywordflow">if</span> (((*(<span class="keyword">volatile</span> uint32_t *)(<a class="code hl_variable" href="userboot_8c.html#ab7b25dc5a7178e72dbb35375eb06604d">Firmware_Addr</a>)) &amp; 0x2FFE0000) == 0x20000000 &amp;&amp;</div>
<div class="line"><a id="l00318" name="l00318"></a><span class="lineno">  318</span>            ((*(<span class="keyword">volatile</span> uint32_t *)(<a class="code hl_variable" href="userboot_8c.html#ab7b25dc5a7178e72dbb35375eb06604d">Firmware_Addr</a>)) &amp; 0x0001FFFF) &lt; 0x00010000)</div>
<div class="line"><a id="l00319" name="l00319"></a><span class="lineno">  319</span>        {</div>
<div class="line"><a id="l00320" name="l00320"></a><span class="lineno">  320</span>            <span class="comment">//原生固件已经存在, 可以直接运行 app (此处默认原生固件可正常执行无误, 该项由用户保证, 因为这是用户通过 Keil 下载的, 理应如此)</span></div>
<div class="line"><a id="l00321" name="l00321"></a><span class="lineno">  321</span>            <a class="code hl_define" href="userboot_8c.html#a2a6f5a01513f0f9ca1e58abdd5fdf68d">UB_LOG</a>(<span class="stringliteral">&quot;APP Already Exist!\r\n&quot;</span>);</div>
<div class="line"><a id="l00322" name="l00322"></a><span class="lineno">  322</span> </div>
<div class="line"><a id="l00323" name="l00323"></a><span class="lineno">  323</span>            <a class="code hl_struct" href="structdev__info__t.html">dev_info_t</a> dev_info;</div>
<div class="line"><a id="l00324" name="l00324"></a><span class="lineno">  324</span>            dev_info.<a class="code hl_variable" href="structdev__info__t.html#a6dfc16436f3665ca64b76194408d632d">boot</a> = <a class="code hl_define" href="userboot_8h.html#ab5291277ab324974f338bae35cb1c659">GO_APP</a>;</div>
<div class="line"><a id="l00325" name="l00325"></a><span class="lineno">  325</span>            <span class="comment">//配置写入默认初始化固件信息</span></div>
<div class="line"><a id="l00326" name="l00326"></a><span class="lineno">  326</span>            dev_info.<a class="code hl_variable" href="structdev__info__t.html#a5a45e014ab7b8fb98cf91232e2981e01">boot_version</a> = <a class="code hl_variable" href="userboot_8c.html#a2a27e05527d357738dc88150ec892e0a">UserBoot_Version</a>;</div>
<div class="line"><a id="l00327" name="l00327"></a><span class="lineno">  327</span>            dev_info.<a class="code hl_variable" href="structdev__info__t.html#af0f0bc2625bc041256dc6a22c8cccb8c">reserve</a>[0] = 0;</div>
<div class="line"><a id="l00328" name="l00328"></a><span class="lineno">  328</span>            dev_info.<a class="code hl_variable" href="structdev__info__t.html#af0f0bc2625bc041256dc6a22c8cccb8c">reserve</a>[1] = 0;</div>
<div class="line"><a id="l00329" name="l00329"></a><span class="lineno">  329</span>            <span class="comment">// APP 默认版本跟随 UserBoot 版本, 因通过keil下载无法获取app大小, 故默认大小为除 UserBoot 占用之外的全部剩余 Chip-Flash 大小</span></div>
<div class="line"><a id="l00330" name="l00330"></a><span class="lineno">  330</span>            dev_info.<a class="code hl_variable" href="structdev__info__t.html#afa0b1880d8da843fe65a6d238539458c">app</a>.<a class="code hl_variable" href="structfw__info__t.html#acd99bb05ca015e7d74448acb1deba7ca">version</a> = <a class="code hl_variable" href="userboot_8c.html#a2a27e05527d357738dc88150ec892e0a">UserBoot_Version</a>;</div>
<div class="line"><a id="l00331" name="l00331"></a><span class="lineno">  331</span>            dev_info.<a class="code hl_variable" href="structdev__info__t.html#afa0b1880d8da843fe65a6d238539458c">app</a>.<a class="code hl_variable" href="structfw__info__t.html#ab2c6b258f02add8fdf4cfc7c371dd772">size</a> = <a class="code hl_variable" href="userboot_8c.html#aacc50e52c6d7172179c43b3dbc22b7e1">Firmware_Max_Size</a>;</div>
<div class="line"><a id="l00332" name="l00332"></a><span class="lineno">  332</span>            dev_info.<a class="code hl_variable" href="structdev__info__t.html#afa0b1880d8da843fe65a6d238539458c">app</a>.<a class="code hl_variable" href="structfw__info__t.html#a85b7a7f21b6108b69872839e2509cd67">crc</a> = <a class="code hl_function" href="userboot_8c.html#aeeea4715dd32a4a4ecdf61a2869d1307">calculate_crc</a>(&amp;(dev_info.<a class="code hl_variable" href="structdev__info__t.html#afa0b1880d8da843fe65a6d238539458c">app</a>));</div>
<div class="line"><a id="l00333" name="l00333"></a><span class="lineno">  333</span>            dev_info.<a class="code hl_variable" href="structdev__info__t.html#afa0b1880d8da843fe65a6d238539458c">app</a>.<a class="code hl_variable" href="structfw__info__t.html#a8a0a8da4780d357dd4b4846a4d76fa0c">reserve</a> = 0;</div>
<div class="line"><a id="l00334" name="l00334"></a><span class="lineno">  334</span>            <span class="comment">//写入设备配置信息</span></div>
<div class="line"><a id="l00335" name="l00335"></a><span class="lineno">  335</span>            res = <a class="code hl_function" href="userboot_8c.html#a9412f435ea365342178b2399fc08a846">set_device_info</a>(&amp;dev_info);</div>
<div class="line"><a id="l00336" name="l00336"></a><span class="lineno">  336</span>            <span class="keywordflow">if</span> (res != 0)</div>
<div class="line"><a id="l00337" name="l00337"></a><span class="lineno">  337</span>            {</div>
<div class="line"><a id="l00338" name="l00338"></a><span class="lineno">  338</span>                <a class="code hl_define" href="userboot_8c.html#a2a6f5a01513f0f9ca1e58abdd5fdf68d">UB_LOG</a>(<span class="stringliteral">&quot;The [set_device_info] result is [%d]!\r\n&quot;</span>, res);</div>
<div class="line"><a id="l00339" name="l00339"></a><span class="lineno">  339</span>            }</div>
<div class="line"><a id="l00340" name="l00340"></a><span class="lineno">  340</span>            <span class="keywordflow">goto</span> exit_reset;</div>
<div class="line"><a id="l00341" name="l00341"></a><span class="lineno">  341</span>        }</div>
<div class="line"><a id="l00342" name="l00342"></a><span class="lineno">  342</span>        <span class="keywordflow">else</span></div>
<div class="line"><a id="l00343" name="l00343"></a><span class="lineno">  343</span>        {</div>
<div class="line"><a id="l00344" name="l00344"></a><span class="lineno">  344</span>            <span class="comment">//没有原生固件, 可能是用户下载 userboot 时遗漏忘了 app ,</span></div>
<div class="line"><a id="l00345" name="l00345"></a><span class="lineno">  345</span>            <span class="comment">//分别去 [ 外部存储(SD) 、本地存储(SPI-Flash) ] 寻找是否有可用固件, (外部存储权重更高)</span></div>
<div class="line"><a id="l00346" name="l00346"></a><span class="lineno">  346</span>            <span class="comment">//若搜寻无果-没有可用固件, 需要提示用户升级/告警, 并停留在 UserBoot 中不断复位</span></div>
<div class="line"><a id="l00347" name="l00347"></a><span class="lineno">  347</span>            uint32_t i = 0;</div>
<div class="line"><a id="l00348" name="l00348"></a><span class="lineno">  348</span>            <span class="keywordflow">do</span></div>
<div class="line"><a id="l00349" name="l00349"></a><span class="lineno">  349</span>            {</div>
<div class="line"><a id="l00350" name="l00350"></a><span class="lineno">  350</span>                res = <a class="code hl_function" href="load__file_8c.html#aebe4a0d647831986c734e1788150a064">fs_mount</a>(<a class="code hl_variable" href="userboot_8c.html#a270e2ece511b8901a7b62fbb52579127">Move_Disk</a>);</div>
<div class="line"><a id="l00351" name="l00351"></a><span class="lineno">  351</span>                <span class="keywordflow">for</span> (uint32_t j = 0; j &lt; CyclesPerUs; ++j)</div>
<div class="line"><a id="l00352" name="l00352"></a><span class="lineno">  352</span>                    __NOP();</div>
<div class="line"><a id="l00353" name="l00353"></a><span class="lineno">  353</span>                ++i;</div>
<div class="line"><a id="l00354" name="l00354"></a><span class="lineno">  354</span>            } <span class="keywordflow">while</span> (i &lt; CyclesPerUs * 1000 &amp;&amp; res != 0); <span class="comment">//检测一段时间</span></div>
<div class="line"><a id="l00355" name="l00355"></a><span class="lineno">  355</span> </div>
<div class="line"><a id="l00356" name="l00356"></a><span class="lineno">  356</span>            <span class="keywordflow">if</span> (res == 0) <span class="comment">//外部存储挂载文件系统</span></div>
<div class="line"><a id="l00357" name="l00357"></a><span class="lineno">  357</span>            {</div>
<div class="line"><a id="l00358" name="l00358"></a><span class="lineno">  358</span>                res = <a class="code hl_function" href="userboot_8c.html#a759a4106353e92e06e9d15926228c576">firmware_download</a>(firmware_path_move, firmware_path_update, <a class="code hl_function" href="userboot_8c.html#a52a519a37465a7b4515a237114afa802">data_encode</a>);</div>
<div class="line"><a id="l00359" name="l00359"></a><span class="lineno">  359</span>                <span class="keywordflow">if</span> (res == 0) <span class="comment">//外部存储中有 可用更新固件, 成功下载至本地</span></div>
<div class="line"><a id="l00360" name="l00360"></a><span class="lineno">  360</span>                {</div>
<div class="line"><a id="l00361" name="l00361"></a><span class="lineno">  361</span>                    res = <a class="code hl_function" href="userboot_8c.html#ae1cbf84771d87b5530710ae6852bd827">firmware_update</a>(firmware_path_update, <a class="code hl_function" href="userboot_8c.html#a0591f13c34e15c4d9fbe31fd99726a94">data_decode</a>);</div>
<div class="line"><a id="l00362" name="l00362"></a><span class="lineno">  362</span>                    <span class="keywordflow">if</span> (res == 0) <span class="comment">//更新完成, 可以跳转</span></div>
<div class="line"><a id="l00363" name="l00363"></a><span class="lineno">  363</span>                    {</div>
<div class="line"><a id="l00364" name="l00364"></a><span class="lineno">  364</span>                        <span class="comment">//由于是第一次下载的固件, 故将 新固件 备份</span></div>
<div class="line"><a id="l00365" name="l00365"></a><span class="lineno">  365</span>                        res = <a class="code hl_function" href="userboot_8c.html#a43be464e9071b97862e51b2273afd856">firmware_backup</a>(firmware_path_backup, <a class="code hl_function" href="userboot_8c.html#a52a519a37465a7b4515a237114afa802">data_encode</a>);</div>
<div class="line"><a id="l00366" name="l00366"></a><span class="lineno">  366</span>                        <a class="code hl_define" href="userboot_8c.html#a2a6f5a01513f0f9ca1e58abdd5fdf68d">UB_LOG</a>(<span class="stringliteral">&quot;The [firmware_backup] backup[%s], result is [%d]!\r\n&quot;</span>, firmware_path_backup, res);</div>
<div class="line"><a id="l00367" name="l00367"></a><span class="lineno">  367</span> </div>
<div class="line"><a id="l00368" name="l00368"></a><span class="lineno">  368</span>                        <a class="code hl_function" href="userboot_8c.html#acdd804b92809fcd58b2bc135fc74666c">jump_to_userboot</a>(<a class="code hl_define" href="userboot_8h.html#ab5291277ab324974f338bae35cb1c659">GO_APP</a>, <span class="keyword">true</span>);</div>
<div class="line"><a id="l00369" name="l00369"></a><span class="lineno">  369</span>                    }</div>
<div class="line"><a id="l00370" name="l00370"></a><span class="lineno">  370</span>                }</div>
<div class="line"><a id="l00371" name="l00371"></a><span class="lineno">  371</span>                <a class="code hl_function" href="load__file_8c.html#a2826c976bae07983300096521da284b4">fs_unmount</a>(<a class="code hl_variable" href="userboot_8c.html#a270e2ece511b8901a7b62fbb52579127">Move_Disk</a>); <span class="comment">//外部存储卸载文件系统</span></div>
<div class="line"><a id="l00372" name="l00372"></a><span class="lineno">  372</span>            }</div>
<div class="line"><a id="l00373" name="l00373"></a><span class="lineno">  373</span>            <span class="keywordflow">else</span> <span class="comment">//未插入外部存储</span></div>
<div class="line"><a id="l00374" name="l00374"></a><span class="lineno">  374</span>            {</div>
<div class="line"><a id="l00375" name="l00375"></a><span class="lineno">  375</span>                <a class="code hl_define" href="userboot_8c.html#a2a6f5a01513f0f9ca1e58abdd5fdf68d">UB_LOG</a>(<span class="stringliteral">&quot;The [fs_mount] &lt;Firmware_Disk[%d]&gt; result is [%d]!\r\n&quot;</span>, <a class="code hl_variable" href="userboot_8c.html#a270e2ece511b8901a7b62fbb52579127">Move_Disk</a>, res);</div>
<div class="line"><a id="l00376" name="l00376"></a><span class="lineno">  376</span> </div>
<div class="line"><a id="l00377" name="l00377"></a><span class="lineno">  377</span>                res = <a class="code hl_function" href="userboot_8c.html#ae1cbf84771d87b5530710ae6852bd827">firmware_update</a>(firmware_path_update, <a class="code hl_function" href="userboot_8c.html#a0591f13c34e15c4d9fbe31fd99726a94">data_decode</a>);</div>
<div class="line"><a id="l00378" name="l00378"></a><span class="lineno">  378</span>                <span class="keywordflow">if</span> (res == 0) <span class="comment">//更新完成, 可以跳转</span></div>
<div class="line"><a id="l00379" name="l00379"></a><span class="lineno">  379</span>                {</div>
<div class="line"><a id="l00380" name="l00380"></a><span class="lineno">  380</span>                    <span class="comment">//由于是第一次下载的固件, 故将 新固件 备份</span></div>
<div class="line"><a id="l00381" name="l00381"></a><span class="lineno">  381</span>                    res = <a class="code hl_function" href="userboot_8c.html#a43be464e9071b97862e51b2273afd856">firmware_backup</a>(firmware_path_backup, <a class="code hl_function" href="userboot_8c.html#a52a519a37465a7b4515a237114afa802">data_encode</a>);</div>
<div class="line"><a id="l00382" name="l00382"></a><span class="lineno">  382</span>                    <a class="code hl_define" href="userboot_8c.html#a2a6f5a01513f0f9ca1e58abdd5fdf68d">UB_LOG</a>(<span class="stringliteral">&quot;The [firmware_backup] backup[%s], result is [%d]!\r\n&quot;</span>, firmware_path_backup, res);</div>
<div class="line"><a id="l00383" name="l00383"></a><span class="lineno">  383</span> </div>
<div class="line"><a id="l00384" name="l00384"></a><span class="lineno">  384</span>                    <a class="code hl_function" href="userboot_8c.html#acdd804b92809fcd58b2bc135fc74666c">jump_to_userboot</a>(<a class="code hl_define" href="userboot_8h.html#ab5291277ab324974f338bae35cb1c659">GO_APP</a>, <span class="keyword">true</span>);</div>
<div class="line"><a id="l00385" name="l00385"></a><span class="lineno">  385</span>                }</div>
<div class="line"><a id="l00386" name="l00386"></a><span class="lineno">  386</span>                <span class="keywordflow">else</span></div>
<div class="line"><a id="l00387" name="l00387"></a><span class="lineno">  387</span>                {</div>
<div class="line"><a id="l00388" name="l00388"></a><span class="lineno">  388</span>                    res = <a class="code hl_function" href="userboot_8c.html#ae1cbf84771d87b5530710ae6852bd827">firmware_update</a>(firmware_path_backup, <a class="code hl_function" href="userboot_8c.html#a0591f13c34e15c4d9fbe31fd99726a94">data_decode</a>);</div>
<div class="line"><a id="l00389" name="l00389"></a><span class="lineno">  389</span>                    <span class="keywordflow">if</span> (res == 0) <span class="comment">//更新完成, 可以跳转</span></div>
<div class="line"><a id="l00390" name="l00390"></a><span class="lineno">  390</span>                    {</div>
<div class="line"><a id="l00391" name="l00391"></a><span class="lineno">  391</span>                        <a class="code hl_define" href="userboot_8c.html#a2a6f5a01513f0f9ca1e58abdd5fdf68d">UB_LOG</a>(<span class="stringliteral">&quot;The [firmware_update] backup[%s], result is [%d]!\r\n&quot;</span>, firmware_path_backup, res);</div>
<div class="line"><a id="l00392" name="l00392"></a><span class="lineno">  392</span>                        <a class="code hl_function" href="userboot_8c.html#acdd804b92809fcd58b2bc135fc74666c">jump_to_userboot</a>(<a class="code hl_define" href="userboot_8h.html#ab5291277ab324974f338bae35cb1c659">GO_APP</a>, <span class="keyword">true</span>);</div>
<div class="line"><a id="l00393" name="l00393"></a><span class="lineno">  393</span>                    }</div>
<div class="line"><a id="l00394" name="l00394"></a><span class="lineno">  394</span>                }</div>
<div class="line"><a id="l00395" name="l00395"></a><span class="lineno">  395</span>            }</div>
<div class="line"><a id="l00396" name="l00396"></a><span class="lineno">  396</span>        }</div>
<div class="line"><a id="l00397" name="l00397"></a><span class="lineno">  397</span>        <span class="keywordflow">break</span>;</div>
<div class="line"><a id="l00398" name="l00398"></a><span class="lineno">  398</span>    }</div>
<div class="line"><a id="l00399" name="l00399"></a><span class="lineno">  399</span>exit_reset:</div>
<div class="line"><a id="l00400" name="l00400"></a><span class="lineno">  400</span>    <a class="code hl_function" href="load__file_8c.html#a2826c976bae07983300096521da284b4">fs_unmount</a>(<a class="code hl_variable" href="userboot_8c.html#a28c8f7a4d5f717351aca6027fd3d7ab7">Firmware_Disk</a>); <span class="comment">//本地存储卸载文件系统</span></div>
<div class="line"><a id="l00401" name="l00401"></a><span class="lineno">  401</span>    <a class="code hl_function" href="userboot_8c.html#a01aae38566ae3dd519a6c18696ab2806">reset_mcu</a>();</div>
<div class="line"><a id="l00402" name="l00402"></a><span class="lineno">  402</span> </div>
<div class="line"><a id="l00403" name="l00403"></a><span class="lineno">  403</span>    <span class="keywordflow">for</span> (;;)</div>
<div class="line"><a id="l00404" name="l00404"></a><span class="lineno">  404</span>    {</div>
<div class="line"><a id="l00405" name="l00405"></a><span class="lineno">  405</span>        <span class="comment">// Add Your Code</span></div>
<div class="line"><a id="l00406" name="l00406"></a><span class="lineno">  406</span>    }</div>
<div class="line"><a id="l00407" name="l00407"></a><span class="lineno">  407</span>    <span class="comment">// No Exec Here &lt;return&gt;</span></div>
<div class="line"><a id="l00408" name="l00408"></a><span class="lineno">  408</span>}</div>
<div class="line"><a id="l00409" name="l00409"></a><span class="lineno">  409</span> </div>
<div class="line"><a id="l00417" name="l00417"></a><span class="lineno"><a class="line" href="userboot_8c.html#acdd804b92809fcd58b2bc135fc74666c">  417</a></span><span class="keywordtype">void</span> <a class="code hl_function" href="userboot_8c.html#acdd804b92809fcd58b2bc135fc74666c">jump_to_userboot</a>(uint32_t boot_flag, <span class="keywordtype">bool</span> wait)</div>
<div class="line"><a id="l00418" name="l00418"></a><span class="lineno">  418</span>{</div>
<div class="line"><a id="l00419" name="l00419"></a><span class="lineno">  419</span>    uint8_t res = 0;</div>
<div class="line"><a id="l00420" name="l00420"></a><span class="lineno">  420</span>    <a class="code hl_struct" href="structdev__info__t.html">dev_info_t</a> dev_info;</div>
<div class="line"><a id="l00421" name="l00421"></a><span class="lineno">  421</span>    dev_info.<a class="code hl_variable" href="structdev__info__t.html#afa0b1880d8da843fe65a6d238539458c">app</a> = <a class="code hl_variable" href="userboot_8c.html#a61b57d538c8e4da2b8682a3eb2262757">Device_Info</a>-&gt;<a class="code hl_variable" href="structdev__info__t.html#afa0b1880d8da843fe65a6d238539458c">app</a>;</div>
<div class="line"><a id="l00422" name="l00422"></a><span class="lineno">  422</span>    dev_info.<a class="code hl_variable" href="structdev__info__t.html#a5a45e014ab7b8fb98cf91232e2981e01">boot_version</a> = <a class="code hl_variable" href="userboot_8c.html#a61b57d538c8e4da2b8682a3eb2262757">Device_Info</a>-&gt;<a class="code hl_variable" href="structdev__info__t.html#a5a45e014ab7b8fb98cf91232e2981e01">boot_version</a>;</div>
<div class="line"><a id="l00423" name="l00423"></a><span class="lineno">  423</span>    dev_info.<a class="code hl_variable" href="structdev__info__t.html#af0f0bc2625bc041256dc6a22c8cccb8c">reserve</a>[0] = <a class="code hl_variable" href="userboot_8c.html#a61b57d538c8e4da2b8682a3eb2262757">Device_Info</a>-&gt;<a class="code hl_variable" href="structdev__info__t.html#af0f0bc2625bc041256dc6a22c8cccb8c">reserve</a>[0];</div>
<div class="line"><a id="l00424" name="l00424"></a><span class="lineno">  424</span>    dev_info.<a class="code hl_variable" href="structdev__info__t.html#af0f0bc2625bc041256dc6a22c8cccb8c">reserve</a>[1] = <a class="code hl_variable" href="userboot_8c.html#a61b57d538c8e4da2b8682a3eb2262757">Device_Info</a>-&gt;<a class="code hl_variable" href="structdev__info__t.html#af0f0bc2625bc041256dc6a22c8cccb8c">reserve</a>[1];</div>
<div class="line"><a id="l00425" name="l00425"></a><span class="lineno">  425</span> </div>
<div class="line"><a id="l00426" name="l00426"></a><span class="lineno">  426</span>    <span class="keywordflow">switch</span> (boot_flag)</div>
<div class="line"><a id="l00427" name="l00427"></a><span class="lineno">  427</span>    {</div>
<div class="line"><a id="l00428" name="l00428"></a><span class="lineno">  428</span>    <span class="keywordflow">case</span> (<a class="code hl_define" href="userboot_8h.html#ab5291277ab324974f338bae35cb1c659">GO_APP</a>):         <span class="comment">// continue</span></div>
<div class="line"><a id="l00429" name="l00429"></a><span class="lineno">  429</span>    <span class="keywordflow">case</span> (<a class="code hl_define" href="userboot_8h.html#a734de0e7ed34780e74e947005d781741">EXEC_UPDATE</a>):    <span class="comment">// continue</span></div>
<div class="line"><a id="l00430" name="l00430"></a><span class="lineno">  430</span>    <span class="keywordflow">case</span> (<a class="code hl_define" href="userboot_8h.html#a9253bb7b430cfb21c7a598b2bf67cceb">BACKUP_RESTORE</a>): <span class="comment">// continue</span></div>
<div class="line"><a id="l00431" name="l00431"></a><span class="lineno">  431</span>        dev_info.<a class="code hl_variable" href="structdev__info__t.html#a6dfc16436f3665ca64b76194408d632d">boot</a> = boot_flag;</div>
<div class="line"><a id="l00432" name="l00432"></a><span class="lineno">  432</span>        <span class="keywordflow">break</span>;</div>
<div class="line"><a id="l00433" name="l00433"></a><span class="lineno">  433</span> </div>
<div class="line"><a id="l00434" name="l00434"></a><span class="lineno">  434</span>    <span class="keywordflow">default</span>: <span class="comment">//传入其他的错误状态数据, 不生效</span></div>
<div class="line"><a id="l00435" name="l00435"></a><span class="lineno">  435</span>        dev_info.<a class="code hl_variable" href="structdev__info__t.html#a6dfc16436f3665ca64b76194408d632d">boot</a> = <a class="code hl_variable" href="userboot_8c.html#a61b57d538c8e4da2b8682a3eb2262757">Device_Info</a>-&gt;<a class="code hl_variable" href="structdev__info__t.html#a6dfc16436f3665ca64b76194408d632d">boot</a>;</div>
<div class="line"><a id="l00436" name="l00436"></a><span class="lineno">  436</span>        <a class="code hl_define" href="userboot_8c.html#a2a6f5a01513f0f9ca1e58abdd5fdf68d">UB_LOG</a>(<span class="stringliteral">&quot;[jump_to_userboot] is invalid! [boot_flag] = 0x[%x], [dev_info.boot] = 0x[%x]\r\n&quot;</span>, boot_flag, dev_info.<a class="code hl_variable" href="structdev__info__t.html#a6dfc16436f3665ca64b76194408d632d">boot</a>);</div>
<div class="line"><a id="l00437" name="l00437"></a><span class="lineno">  437</span>        <span class="keywordflow">break</span>;</div>
<div class="line"><a id="l00438" name="l00438"></a><span class="lineno">  438</span>    }</div>
<div class="line"><a id="l00439" name="l00439"></a><span class="lineno">  439</span>    <span class="comment">//写入设备配置信息</span></div>
<div class="line"><a id="l00440" name="l00440"></a><span class="lineno">  440</span>    res = <a class="code hl_function" href="userboot_8c.html#a9412f435ea365342178b2399fc08a846">set_device_info</a>(&amp;dev_info);</div>
<div class="line"><a id="l00441" name="l00441"></a><span class="lineno">  441</span>    <span class="keywordflow">if</span> (res != 0)</div>
<div class="line"><a id="l00442" name="l00442"></a><span class="lineno">  442</span>    {</div>
<div class="line"><a id="l00443" name="l00443"></a><span class="lineno">  443</span>        <a class="code hl_define" href="userboot_8c.html#a2a6f5a01513f0f9ca1e58abdd5fdf68d">UB_LOG</a>(<span class="stringliteral">&quot;The [set_device_info] result is [%d]!\r\n&quot;</span>, res);</div>
<div class="line"><a id="l00444" name="l00444"></a><span class="lineno">  444</span>    }</div>
<div class="line"><a id="l00445" name="l00445"></a><span class="lineno">  445</span> </div>
<div class="line"><a id="l00446" name="l00446"></a><span class="lineno">  446</span>    <span class="keywordflow">if</span> (wait)</div>
<div class="line"><a id="l00447" name="l00447"></a><span class="lineno">  447</span>    {</div>
<div class="line"><a id="l00448" name="l00448"></a><span class="lineno">  448</span>        <a class="code hl_function" href="userboot_8c.html#a01aae38566ae3dd519a6c18696ab2806">reset_mcu</a>();</div>
<div class="line"><a id="l00449" name="l00449"></a><span class="lineno">  449</span>    }</div>
<div class="line"><a id="l00450" name="l00450"></a><span class="lineno">  450</span>}</div>
<div class="line"><a id="l00451" name="l00451"></a><span class="lineno">  451</span> </div>
<div class="line"><a id="l00461" name="l00461"></a><span class="lineno"><a class="line" href="userboot_8c.html#a759a4106353e92e06e9d15926228c576">  461</a></span>uint8_t <a class="code hl_function" href="userboot_8c.html#a759a4106353e92e06e9d15926228c576">firmware_download</a>(<span class="keyword">const</span> <span class="keywordtype">char</span> *src_path, <span class="keyword">const</span> <span class="keywordtype">char</span> *dst_path, <a class="code hl_typedef" href="userboot_8h.html#a73b10fad3e8bed1f1afc0b09e52b4498">data_code_cb</a> data_enc)</div>
<div class="line"><a id="l00462" name="l00462"></a><span class="lineno">  462</span>{</div>
<div class="line"><a id="l00463" name="l00463"></a><span class="lineno">  463</span>    <span class="comment">//读写缓冲区</span></div>
<div class="line"><a id="l00464" name="l00464"></a><span class="lineno">  464</span>    <span class="comment">//uint8_t Read_Buff[Flash_Alignment] __attribute__((aligned(4)));</span></div>
<div class="line"><a id="l00465" name="l00465"></a><span class="lineno">  465</span>    <span class="comment">//uint8_t Write_Buff[Flash_Alignment] __attribute__((aligned(4))); //消耗RAM太大, 易爆栈</span></div>
<div class="line"><a id="l00466" name="l00466"></a><span class="lineno">  466</span> </div>
<div class="line"><a id="l00467" name="l00467"></a><span class="lineno">  467</span>    uint8_t res = 0;                      <span class="comment">//返回值</span></div>
<div class="line"><a id="l00468" name="l00468"></a><span class="lineno">  468</span>    FIL src_file, dst_file;               <span class="comment">//文件指针</span></div>
<div class="line"><a id="l00469" name="l00469"></a><span class="lineno">  469</span>    uint32_t read_len = 0, write_len = 0; <span class="comment">//读/写文件字节数</span></div>
<div class="line"><a id="l00470" name="l00470"></a><span class="lineno">  470</span>    uint32_t firmware_size = 0;           <span class="comment">//固件大小 / Bytes</span></div>
<div class="line"><a id="l00471" name="l00471"></a><span class="lineno">  471</span> </div>
<div class="line"><a id="l00472" name="l00472"></a><span class="lineno">  472</span>    <span class="comment">//  FA_CREATE_ALWAYS : 创建一个新文件，如果文件已存在，则它将被截断并覆盖</span></div>
<div class="line"><a id="l00473" name="l00473"></a><span class="lineno">  473</span>    <span class="comment">//  FA_OPEN_ALWAYS   : 如果文件存在，则打开；否则，创建一个新文件</span></div>
<div class="line"><a id="l00474" name="l00474"></a><span class="lineno">  474</span>    <span class="comment">//  FA_OPEN_EXISTING : 打开一个文件。如果文件不存在，该函数将失败</span></div>
<div class="line"><a id="l00475" name="l00475"></a><span class="lineno">  475</span>    res = f_open(&amp;src_file, src_path, FA_READ | FA_OPEN_EXISTING);</div>
<div class="line"><a id="l00476" name="l00476"></a><span class="lineno">  476</span>    <span class="keywordflow">if</span> (FR_OK != res)</div>
<div class="line"><a id="l00477" name="l00477"></a><span class="lineno">  477</span>    {</div>
<div class="line"><a id="l00478" name="l00478"></a><span class="lineno">  478</span>        <a class="code hl_define" href="userboot_8c.html#a2a6f5a01513f0f9ca1e58abdd5fdf68d">UB_LOG</a>(<span class="stringliteral">&quot;[%s] file [f_open] = [%d]\r\n&quot;</span>, src_path, res);</div>
<div class="line"><a id="l00479" name="l00479"></a><span class="lineno">  479</span>        <span class="keywordflow">return</span> res;</div>
<div class="line"><a id="l00480" name="l00480"></a><span class="lineno">  480</span>    }</div>
<div class="line"><a id="l00481" name="l00481"></a><span class="lineno">  481</span>    res = f_open(&amp;dst_file, dst_path, FA_WRITE | FA_OPEN_ALWAYS);</div>
<div class="line"><a id="l00482" name="l00482"></a><span class="lineno">  482</span>    <span class="keywordflow">if</span> (FR_OK != res)</div>
<div class="line"><a id="l00483" name="l00483"></a><span class="lineno">  483</span>    {</div>
<div class="line"><a id="l00484" name="l00484"></a><span class="lineno">  484</span>        f_close(&amp;src_file);</div>
<div class="line"><a id="l00485" name="l00485"></a><span class="lineno">  485</span>        <a class="code hl_define" href="userboot_8c.html#a2a6f5a01513f0f9ca1e58abdd5fdf68d">UB_LOG</a>(<span class="stringliteral">&quot;[%s] file [f_open] = [%d]\r\n&quot;</span>, dst_path, res);</div>
<div class="line"><a id="l00486" name="l00486"></a><span class="lineno">  486</span>        <span class="keywordflow">return</span> res;</div>
<div class="line"><a id="l00487" name="l00487"></a><span class="lineno">  487</span>    }</div>
<div class="line"><a id="l00488" name="l00488"></a><span class="lineno">  488</span>    <span class="comment">//===============================================校验固件===============================================//</span></div>
<div class="line"><a id="l00489" name="l00489"></a><span class="lineno">  489</span>    <span class="comment">//文件光标定位</span></div>
<div class="line"><a id="l00490" name="l00490"></a><span class="lineno">  490</span>    f_lseek(&amp;src_file, 0);</div>
<div class="line"><a id="l00491" name="l00491"></a><span class="lineno">  491</span>    <span class="comment">//获取固件大小</span></div>
<div class="line"><a id="l00492" name="l00492"></a><span class="lineno">  492</span>    firmware_size = f_size(&amp;src_file);</div>
<div class="line"><a id="l00493" name="l00493"></a><span class="lineno">  493</span>    <span class="comment">//获取固件信息</span></div>
<div class="line"><a id="l00494" name="l00494"></a><span class="lineno">  494</span>    <a class="code hl_struct" href="structfw__info__t.html">fw_info_t</a> firmware_info;</div>
<div class="line"><a id="l00495" name="l00495"></a><span class="lineno">  495</span>    res = f_read(&amp;src_file, &amp;firmware_info, <span class="keyword">sizeof</span>(<a class="code hl_struct" href="structfw__info__t.html">fw_info_t</a>), &amp;read_len);</div>
<div class="line"><a id="l00496" name="l00496"></a><span class="lineno">  496</span>    <span class="keywordflow">if</span> (res != FR_OK || read_len &lt; <span class="keyword">sizeof</span>(<a class="code hl_struct" href="structfw__info__t.html">fw_info_t</a>))</div>
<div class="line"><a id="l00497" name="l00497"></a><span class="lineno">  497</span>    {</div>
<div class="line"><a id="l00498" name="l00498"></a><span class="lineno">  498</span>        <span class="keywordflow">if</span> (read_len &lt; <span class="keyword">sizeof</span>(<a class="code hl_struct" href="structfw__info__t.html">fw_info_t</a>))</div>
<div class="line"><a id="l00499" name="l00499"></a><span class="lineno">  499</span>            res = 1;</div>
<div class="line"><a id="l00500" name="l00500"></a><span class="lineno">  500</span> </div>
<div class="line"><a id="l00501" name="l00501"></a><span class="lineno">  501</span>        <a class="code hl_define" href="userboot_8c.html#a2a6f5a01513f0f9ca1e58abdd5fdf68d">UB_LOG</a>(<span class="stringliteral">&quot;The Firmware don&#39;t get info, result = [%d]!\r\n&quot;</span>, res);</div>
<div class="line"><a id="l00502" name="l00502"></a><span class="lineno">  502</span>        <span class="keywordflow">goto</span> firmware_download_over;</div>
<div class="line"><a id="l00503" name="l00503"></a><span class="lineno">  503</span>    }</div>
<div class="line"><a id="l00504" name="l00504"></a><span class="lineno">  504</span>    firmware_size -= read_len; <span class="comment">//得出实际的固件大小</span></div>
<div class="line"><a id="l00505" name="l00505"></a><span class="lineno">  505</span>    <a class="code hl_define" href="userboot_8c.html#a2a6f5a01513f0f9ca1e58abdd5fdf68d">UB_LOG</a>(<span class="stringliteral">&quot;The [firmware_download] Version = 0x[%x], Size = 0x[%x], CRC = 0x[%x]\r\n&quot;</span>, firmware_info.<a class="code hl_variable" href="structfw__info__t.html#acd99bb05ca015e7d74448acb1deba7ca">version</a>, firmware_info.<a class="code hl_variable" href="structfw__info__t.html#ab2c6b258f02add8fdf4cfc7c371dd772">size</a>, firmware_info.<a class="code hl_variable" href="structfw__info__t.html#a85b7a7f21b6108b69872839e2509cd67">crc</a>);</div>
<div class="line"><a id="l00506" name="l00506"></a><span class="lineno">  506</span> </div>
<div class="line"><a id="l00507" name="l00507"></a><span class="lineno">  507</span>    <span class="comment">//判断固件是否有效 / 固件信息是否准确</span></div>
<div class="line"><a id="l00508" name="l00508"></a><span class="lineno">  508</span>    <span class="keywordflow">if</span> (firmware_info.<a class="code hl_variable" href="structfw__info__t.html#ab2c6b258f02add8fdf4cfc7c371dd772">size</a> &gt; <a class="code hl_variable" href="userboot_8c.html#aacc50e52c6d7172179c43b3dbc22b7e1">Firmware_Max_Size</a> ||</div>
<div class="line"><a id="l00509" name="l00509"></a><span class="lineno">  509</span>        firmware_info.<a class="code hl_variable" href="structfw__info__t.html#ab2c6b258f02add8fdf4cfc7c371dd772">size</a> != firmware_size ||</div>
<div class="line"><a id="l00510" name="l00510"></a><span class="lineno">  510</span>        <a class="code hl_function" href="userboot_8c.html#aeeea4715dd32a4a4ecdf61a2869d1307">calculate_crc</a>(&amp;firmware_info) != firmware_info.<a class="code hl_variable" href="structfw__info__t.html#a85b7a7f21b6108b69872839e2509cd67">crc</a>)</div>
<div class="line"><a id="l00511" name="l00511"></a><span class="lineno">  511</span>    {</div>
<div class="line"><a id="l00512" name="l00512"></a><span class="lineno">  512</span>        res = 2;</div>
<div class="line"><a id="l00513" name="l00513"></a><span class="lineno">  513</span>        <a class="code hl_define" href="userboot_8c.html#a2a6f5a01513f0f9ca1e58abdd5fdf68d">UB_LOG</a>(<span class="stringliteral">&quot;The Firmware is invalid! calculate_crc = 0x[%x]\r\n&quot;</span>, <a class="code hl_function" href="userboot_8c.html#aeeea4715dd32a4a4ecdf61a2869d1307">calculate_crc</a>(&amp;firmware_info));</div>
<div class="line"><a id="l00514" name="l00514"></a><span class="lineno">  514</span>        <span class="keywordflow">goto</span> firmware_download_over;</div>
<div class="line"><a id="l00515" name="l00515"></a><span class="lineno">  515</span>    }</div>
<div class="line"><a id="l00516" name="l00516"></a><span class="lineno">  516</span>    <span class="comment">// f_lseek(&amp;src_file, 0);//不加密 固件信息头 (直接跳过), 对 备份/更新 同理</span></div>
<div class="line"><a id="l00517" name="l00517"></a><span class="lineno">  517</span> </div>
<div class="line"><a id="l00518" name="l00518"></a><span class="lineno">  518</span>    <span class="comment">//===============================================校验通过===============================================//</span></div>
<div class="line"><a id="l00519" name="l00519"></a><span class="lineno">  519</span><span class="preprocessor">#ifdef UB_SECURE_AES_ENABLE</span></div>
<div class="line"><a id="l00520" name="l00520"></a><span class="lineno">  520</span>    memcpy(IV, IV_Init, <span class="keyword">sizeof</span>(IV)); <span class="comment">//重置密文分组</span></div>
<div class="line"><a id="l00521" name="l00521"></a><span class="lineno">  521</span><span class="preprocessor">#endif</span></div>
<div class="line"><a id="l00522" name="l00522"></a><span class="lineno">  522</span>    <span class="comment">//===============================================下载固件===============================================//</span></div>
<div class="line"><a id="l00523" name="l00523"></a><span class="lineno">  523</span>    f_lseek(&amp;dst_file, 0);</div>
<div class="line"><a id="l00524" name="l00524"></a><span class="lineno">  524</span>    res = f_write(&amp;dst_file, &amp;firmware_info, read_len, &amp;write_len);</div>
<div class="line"><a id="l00525" name="l00525"></a><span class="lineno">  525</span>    <span class="keywordflow">if</span> (write_len &lt; read_len) <span class="comment">//写入不完整,大概率是目录已满</span></div>
<div class="line"><a id="l00526" name="l00526"></a><span class="lineno">  526</span>    {</div>
<div class="line"><a id="l00527" name="l00527"></a><span class="lineno">  527</span>        res = FR_DENIED;</div>
<div class="line"><a id="l00528" name="l00528"></a><span class="lineno">  528</span>        <a class="code hl_define" href="userboot_8c.html#a2a6f5a01513f0f9ca1e58abdd5fdf68d">UB_LOG</a>(<span class="stringliteral">&quot;[%s] file [read_len] = [%d], [write_len] = [%d], result = [%d]\r\n&quot;</span>, dst_path, read_len, write_len, res);</div>
<div class="line"><a id="l00529" name="l00529"></a><span class="lineno">  529</span>    }</div>
<div class="line"><a id="l00530" name="l00530"></a><span class="lineno">  530</span>    <span class="keywordflow">for</span> (uint32_t offset = 0; FR_OK == res &amp;&amp; offset &lt; firmware_size; offset += write_len) <span class="comment">//文件拷贝开始</span></div>
<div class="line"><a id="l00531" name="l00531"></a><span class="lineno">  531</span>    {</div>
<div class="line"><a id="l00532" name="l00532"></a><span class="lineno">  532</span>        res = f_read(&amp;src_file, <a class="code hl_variable" href="userboot_8c.html#a38146cd83df0f418546b0eadaeb369ff">Read_Buff</a>, <span class="keyword">sizeof</span>(<a class="code hl_variable" href="userboot_8c.html#a38146cd83df0f418546b0eadaeb369ff">Read_Buff</a>), &amp;read_len);</div>
<div class="line"><a id="l00533" name="l00533"></a><span class="lineno">  533</span>        <span class="keywordflow">if</span> (FR_OK != res || read_len == 0) <span class="comment">//读取文件失败或者已读到文件结尾</span></div>
<div class="line"><a id="l00534" name="l00534"></a><span class="lineno">  534</span>        {</div>
<div class="line"><a id="l00535" name="l00535"></a><span class="lineno">  535</span>            <span class="comment">// UB_LOG(&quot;[%s] last read_len = [%d] \r\n possible reason: [%d] file read over!\r\n&quot;, src_path, read_len, res);</span></div>
<div class="line"><a id="l00536" name="l00536"></a><span class="lineno">  536</span>            <span class="keywordflow">break</span>;</div>
<div class="line"><a id="l00537" name="l00537"></a><span class="lineno">  537</span>        }</div>
<div class="line"><a id="l00538" name="l00538"></a><span class="lineno">  538</span> </div>
<div class="line"><a id="l00539" name="l00539"></a><span class="lineno">  539</span>        <span class="comment">//最后不足 16 Bytes 的部分进行 zero padding (因为 Flash_write 单次操作 Unit 是四个字, 无论用不用加密算法都要对齐)</span></div>
<div class="line"><a id="l00540" name="l00540"></a><span class="lineno">  540</span>        <span class="keywordflow">for</span> (; (read_len &amp; 0xF) != 0; ++read_len)</div>
<div class="line"><a id="l00541" name="l00541"></a><span class="lineno">  541</span>            <a class="code hl_variable" href="userboot_8c.html#a38146cd83df0f418546b0eadaeb369ff">Read_Buff</a>[read_len] = 0;</div>
<div class="line"><a id="l00542" name="l00542"></a><span class="lineno">  542</span> </div>
<div class="line"><a id="l00543" name="l00543"></a><span class="lineno">  543</span>        <span class="keywordflow">if</span> (data_enc != NULL) <span class="comment">//加密</span></div>
<div class="line"><a id="l00544" name="l00544"></a><span class="lineno">  544</span>        {</div>
<div class="line"><a id="l00545" name="l00545"></a><span class="lineno">  545</span>            <span class="keywordflow">if</span> (data_enc(<a class="code hl_variable" href="userboot_8c.html#a38146cd83df0f418546b0eadaeb369ff">Read_Buff</a>, <a class="code hl_variable" href="userboot_8c.html#a4a0b2732c5f61ce1fb64c5c1e63f6df3">Write_Buff</a>, read_len) != 0)</div>
<div class="line"><a id="l00546" name="l00546"></a><span class="lineno">  546</span>            {</div>
<div class="line"><a id="l00547" name="l00547"></a><span class="lineno">  547</span>                res = 3;</div>
<div class="line"><a id="l00548" name="l00548"></a><span class="lineno">  548</span>                <a class="code hl_define" href="userboot_8c.html#a2a6f5a01513f0f9ca1e58abdd5fdf68d">UB_LOG</a>(<span class="stringliteral">&quot;The Firmware [data_enc] result = [%d]!\r\n&quot;</span>, res);</div>
<div class="line"><a id="l00549" name="l00549"></a><span class="lineno">  549</span>                <span class="keywordflow">break</span>;</div>
<div class="line"><a id="l00550" name="l00550"></a><span class="lineno">  550</span>            }</div>
<div class="line"><a id="l00551" name="l00551"></a><span class="lineno">  551</span>        }</div>
<div class="line"><a id="l00552" name="l00552"></a><span class="lineno">  552</span>        <span class="keywordflow">else</span></div>
<div class="line"><a id="l00553" name="l00553"></a><span class="lineno">  553</span>        {</div>
<div class="line"><a id="l00554" name="l00554"></a><span class="lineno">  554</span>            memcpy(<a class="code hl_variable" href="userboot_8c.html#a4a0b2732c5f61ce1fb64c5c1e63f6df3">Write_Buff</a>, <a class="code hl_variable" href="userboot_8c.html#a38146cd83df0f418546b0eadaeb369ff">Read_Buff</a>, read_len);</div>
<div class="line"><a id="l00555" name="l00555"></a><span class="lineno">  555</span>        }</div>
<div class="line"><a id="l00556" name="l00556"></a><span class="lineno">  556</span> </div>
<div class="line"><a id="l00557" name="l00557"></a><span class="lineno">  557</span>        res = f_write(&amp;dst_file, <a class="code hl_variable" href="userboot_8c.html#a4a0b2732c5f61ce1fb64c5c1e63f6df3">Write_Buff</a>, read_len, &amp;write_len);</div>
<div class="line"><a id="l00558" name="l00558"></a><span class="lineno">  558</span>        <span class="keywordflow">if</span> (write_len &lt; read_len) <span class="comment">//最后一次写入不完整,大概率是目录已满</span></div>
<div class="line"><a id="l00559" name="l00559"></a><span class="lineno">  559</span>        {</div>
<div class="line"><a id="l00560" name="l00560"></a><span class="lineno">  560</span>            <a class="code hl_define" href="userboot_8c.html#a2a6f5a01513f0f9ca1e58abdd5fdf68d">UB_LOG</a>(<span class="stringliteral">&quot;[%s] file last [read_len] = [%d], [write_len] = [%d], result = [%d]\r\n&quot;</span>, dst_path, read_len, write_len, res);</div>
<div class="line"><a id="l00561" name="l00561"></a><span class="lineno">  561</span>            res = FR_DENIED;</div>
<div class="line"><a id="l00562" name="l00562"></a><span class="lineno">  562</span>            <span class="keywordflow">break</span>;</div>
<div class="line"><a id="l00563" name="l00563"></a><span class="lineno">  563</span>        }</div>
<div class="line"><a id="l00564" name="l00564"></a><span class="lineno">  564</span> </div>
<div class="line"><a id="l00565" name="l00565"></a><span class="lineno">  565</span>        <a class="code hl_define" href="userboot_8c.html#a2a6f5a01513f0f9ca1e58abdd5fdf68d">UB_LOG</a>(<span class="stringliteral">&quot;=============== [Firmware] DownLoad [%d]/[%d] Bytes ===============\r\n&quot;</span>, offset + write_len, firmware_size);</div>
<div class="line"><a id="l00566" name="l00566"></a><span class="lineno">  566</span>    }</div>
<div class="line"><a id="l00567" name="l00567"></a><span class="lineno">  567</span>    <span class="comment">//===============================================下载结束===============================================//</span></div>
<div class="line"><a id="l00568" name="l00568"></a><span class="lineno">  568</span>firmware_download_over:</div>
<div class="line"><a id="l00569" name="l00569"></a><span class="lineno">  569</span>    f_close(&amp;src_file);</div>
<div class="line"><a id="l00570" name="l00570"></a><span class="lineno">  570</span>    f_close(&amp;dst_file);</div>
<div class="line"><a id="l00571" name="l00571"></a><span class="lineno">  571</span>    <span class="keywordflow">if</span> (0 != res) <span class="comment">//出现错误则删除目标文件, 必须先关闭文件, 否则 f_unlink 将被拒绝</span></div>
<div class="line"><a id="l00572" name="l00572"></a><span class="lineno">  572</span>    {</div>
<div class="line"><a id="l00573" name="l00573"></a><span class="lineno">  573</span>        <span class="comment">/*res = */</span> f_unlink(dst_path);</div>
<div class="line"><a id="l00574" name="l00574"></a><span class="lineno">  574</span>    }</div>
<div class="line"><a id="l00575" name="l00575"></a><span class="lineno">  575</span>    <span class="keywordflow">return</span> res;</div>
<div class="line"><a id="l00576" name="l00576"></a><span class="lineno">  576</span>}</div>
<div class="line"><a id="l00577" name="l00577"></a><span class="lineno">  577</span> </div>
<div class="line"><a id="l00587" name="l00587"></a><span class="lineno"><a class="line" href="userboot_8c.html#a52a519a37465a7b4515a237114afa802">  587</a></span><span class="keywordtype">int</span> <a class="code hl_function" href="userboot_8c.html#a52a519a37465a7b4515a237114afa802">data_encode</a>(<span class="keyword">const</span> <span class="keywordtype">void</span> *src_buff, <span class="keywordtype">void</span> *dst_buff, uint32_t bytes)</div>
<div class="line"><a id="l00588" name="l00588"></a><span class="lineno">  588</span>{</div>
<div class="line"><a id="l00589" name="l00589"></a><span class="lineno">  589</span><span class="preprocessor">#ifdef UB_SECURE_AES_ENABLE</span></div>
<div class="line"><a id="l00590" name="l00590"></a><span class="lineno">  590</span>    <span class="keywordflow">return</span> mbedtls_aes_crypt_cbc(&amp;AES, MBEDTLS_AES_ENCRYPT, bytes, IV, src_buff, dst_buff);</div>
<div class="line"><a id="l00591" name="l00591"></a><span class="lineno">  591</span><span class="preprocessor">#else</span></div>
<div class="line"><a id="l00592" name="l00592"></a><span class="lineno">  592</span>    memcpy(dst_buff, src_buff, bytes);</div>
<div class="line"><a id="l00593" name="l00593"></a><span class="lineno">  593</span>    <span class="keywordflow">return</span> 0;</div>
<div class="line"><a id="l00594" name="l00594"></a><span class="lineno">  594</span><span class="preprocessor">#endif</span></div>
<div class="line"><a id="l00595" name="l00595"></a><span class="lineno">  595</span>}</div>
<div class="line"><a id="l00596" name="l00596"></a><span class="lineno">  596</span> </div>
<div class="line"><a id="l00606" name="l00606"></a><span class="lineno"><a class="line" href="userboot_8c.html#a0591f13c34e15c4d9fbe31fd99726a94">  606</a></span><span class="keywordtype">int</span> <a class="code hl_function" href="userboot_8c.html#a0591f13c34e15c4d9fbe31fd99726a94">data_decode</a>(<span class="keyword">const</span> <span class="keywordtype">void</span> *src_buff, <span class="keywordtype">void</span> *dst_buff, uint32_t bytes)</div>
<div class="line"><a id="l00607" name="l00607"></a><span class="lineno">  607</span>{</div>
<div class="line"><a id="l00608" name="l00608"></a><span class="lineno">  608</span><span class="preprocessor">#ifdef UB_SECURE_AES_ENABLE</span></div>
<div class="line"><a id="l00609" name="l00609"></a><span class="lineno">  609</span>    <span class="keywordflow">return</span> mbedtls_aes_crypt_cbc(&amp;AES, MBEDTLS_AES_DECRYPT, bytes, IV, src_buff, dst_buff);</div>
<div class="line"><a id="l00610" name="l00610"></a><span class="lineno">  610</span><span class="preprocessor">#else</span></div>
<div class="line"><a id="l00611" name="l00611"></a><span class="lineno">  611</span>    memcpy(dst_buff, src_buff, bytes);</div>
<div class="line"><a id="l00612" name="l00612"></a><span class="lineno">  612</span>    <span class="keywordflow">return</span> 0;</div>
<div class="line"><a id="l00613" name="l00613"></a><span class="lineno">  613</span><span class="preprocessor">#endif</span></div>
<div class="line"><a id="l00614" name="l00614"></a><span class="lineno">  614</span>}</div>
<div class="line"><a id="l00615" name="l00615"></a><span class="lineno">  615</span> </div>
<div class="line"><a id="l00616" name="l00616"></a><span class="lineno">  616</span><span class="comment">/*******************************************************************************************************************************************</span></div>
<div class="line"><a id="l00617" name="l00617"></a><span class="lineno">  617</span><span class="comment"> * Private Function</span></div>
<div class="line"><a id="l00618" name="l00618"></a><span class="lineno">  618</span><span class="comment"> *******************************************************************************************************************************************/</span></div>
<div class="line"><a id="l00625" name="l00625"></a><span class="lineno"><a class="line" href="userboot_8c.html#a01aae38566ae3dd519a6c18696ab2806">  625</a></span><span class="keyword">static</span> <span class="keywordtype">void</span> <a class="code hl_function" href="userboot_8c.html#a01aae38566ae3dd519a6c18696ab2806">reset_mcu</a>(<span class="keywordtype">void</span>)</div>
<div class="line"><a id="l00626" name="l00626"></a><span class="lineno">  626</span>{</div>
<div class="line"><a id="l00627" name="l00627"></a><span class="lineno">  627</span>    WDT_Init(WDT, 0, 1);</div>
<div class="line"><a id="l00628" name="l00628"></a><span class="lineno">  628</span>    WDT_Start(WDT);</div>
<div class="line"><a id="l00629" name="l00629"></a><span class="lineno">  629</span>    <span class="keywordflow">for</span> (;;)</div>
<div class="line"><a id="l00630" name="l00630"></a><span class="lineno">  630</span>        ;</div>
<div class="line"><a id="l00631" name="l00631"></a><span class="lineno">  631</span>}</div>
<div class="line"><a id="l00632" name="l00632"></a><span class="lineno">  632</span> </div>
<div class="line"><a id="l00639" name="l00639"></a><span class="lineno"><a class="line" href="userboot_8c.html#a78c7624204dca44707593279758c0c98">  639</a></span><span class="keyword">static</span> <span class="keywordtype">void</span> <a class="code hl_function" href="userboot_8c.html#a78c7624204dca44707593279758c0c98">jump_to_app</a>(<span class="keyword">const</span> uint32_t addr)</div>
<div class="line"><a id="l00640" name="l00640"></a><span class="lineno">  640</span>{</div>
<div class="line"><a id="l00641" name="l00641"></a><span class="lineno">  641</span>    <span class="comment">/* 启动先跳转到系统 BootLoader, 首地址是 MSP, 地址 + 4 是复位中断服务程序地址 */</span></div>
<div class="line"><a id="l00642" name="l00642"></a><span class="lineno">  642</span>    uint32_t sp = *((<span class="keyword">volatile</span> uint32_t *)(addr));</div>
<div class="line"><a id="l00643" name="l00643"></a><span class="lineno">  643</span>    uint32_t pc = *((<span class="keyword">volatile</span> uint32_t *)(addr + 4));</div>
<div class="line"><a id="l00644" name="l00644"></a><span class="lineno">  644</span> </div>
<div class="line"><a id="l00645" name="l00645"></a><span class="lineno">  645</span>    <span class="keyword">typedef</span> void (*Func_void_void)(void);</div>
<div class="line"><a id="l00646" name="l00646"></a><span class="lineno">  646</span>    Func_void_void ResetHandler = (Func_void_void)(0x00);</div>
<div class="line"><a id="l00647" name="l00647"></a><span class="lineno">  647</span> </div>
<div class="line"><a id="l00648" name="l00648"></a><span class="lineno">  648</span>    <span class="comment">/*  通过判断栈定地址值是否在 0x2000 0000 - 0x2001 0000 之间 ( SWM341 RAM Max : 0x10000 &lt;64KB&gt; ) 来判断应用程序是否已经下载到指定地址.</span></div>
<div class="line"><a id="l00649" name="l00649"></a><span class="lineno">  649</span><span class="comment">     *  因为中断向量表里第一个放的就是栈顶地址的值, 如果该值不在 RAM 区间地址内, 即使这是固件也是不合法的.</span></div>
<div class="line"><a id="l00650" name="l00650"></a><span class="lineno">  650</span><span class="comment">     */</span></div>
<div class="line"><a id="l00651" name="l00651"></a><span class="lineno">  651</span>    <span class="keywordflow">if</span> ((sp &amp; 0x2FFE0000) == 0x20000000 &amp;&amp; (sp &amp; 0x0001FFFF) &lt; 0x00010000)</div>
<div class="line"><a id="l00652" name="l00652"></a><span class="lineno">  652</span>    {</div>
<div class="line"><a id="l00653" name="l00653"></a><span class="lineno">  653</span>        ResetHandler = (Func_void_void)pc;</div>
<div class="line"><a id="l00654" name="l00654"></a><span class="lineno">  654</span> </div>
<div class="line"><a id="l00655" name="l00655"></a><span class="lineno">  655</span>        SCB-&gt;VTOR = addr; <span class="comment">/* 设置中断向量表地址 */</span></div>
<div class="line"><a id="l00656" name="l00656"></a><span class="lineno">  656</span> </div>
<div class="line"><a id="l00657" name="l00657"></a><span class="lineno">  657</span>        __set_MSP(sp); <span class="comment">/* 设置主堆栈指针 */</span></div>
<div class="line"><a id="l00658" name="l00658"></a><span class="lineno">  658</span> </div>
<div class="line"><a id="l00659" name="l00659"></a><span class="lineno">  659</span>        <span class="comment">//__set_CONTROL(0); /* 注意使用 RTOS 时，设置为特权级模式，使用 MSP, 而不是 PSP */</span></div>
<div class="line"><a id="l00660" name="l00660"></a><span class="lineno">  660</span>    }</div>
<div class="line"><a id="l00661" name="l00661"></a><span class="lineno">  661</span>    <span class="keywordflow">else</span> <span class="comment">/* 该地址上没有可正常运行的固件, 传参异常抛出 */</span></div>
<div class="line"><a id="l00662" name="l00662"></a><span class="lineno">  662</span>    {</div>
<div class="line"><a id="l00663" name="l00663"></a><span class="lineno">  663</span>        <span class="comment">// UB_LOG(&quot;No firmware for APP load address 0x[%x] \r\n&quot;, addr);</span></div>
<div class="line"><a id="l00664" name="l00664"></a><span class="lineno">  664</span>    }</div>
<div class="line"><a id="l00665" name="l00665"></a><span class="lineno">  665</span> </div>
<div class="line"><a id="l00666" name="l00666"></a><span class="lineno">  666</span>    ResetHandler();</div>
<div class="line"><a id="l00667" name="l00667"></a><span class="lineno">  667</span> </div>
<div class="line"><a id="l00668" name="l00668"></a><span class="lineno">  668</span>    <span class="keywordflow">for</span> (;;)</div>
<div class="line"><a id="l00669" name="l00669"></a><span class="lineno">  669</span>    {</div>
<div class="line"><a id="l00670" name="l00670"></a><span class="lineno">  670</span>    }</div>
<div class="line"><a id="l00671" name="l00671"></a><span class="lineno">  671</span>}</div>
<div class="line"><a id="l00672" name="l00672"></a><span class="lineno">  672</span> </div>
<div class="line"><a id="l00679" name="l00679"></a><span class="lineno"><a class="line" href="userboot_8c.html#aeeea4715dd32a4a4ecdf61a2869d1307">  679</a></span><span class="keyword">static</span> <span class="keyword">inline</span> uint32_t <a class="code hl_function" href="userboot_8c.html#aeeea4715dd32a4a4ecdf61a2869d1307">calculate_crc</a>(<a class="code hl_struct" href="structfw__info__t.html">fw_info_t</a> *data)</div>
<div class="line"><a id="l00680" name="l00680"></a><span class="lineno">  680</span>{</div>
<div class="line"><a id="l00681" name="l00681"></a><span class="lineno">  681</span>    <span class="keywordflow">return</span> <a class="code hl_function" href="dev__crc_8c.html#a64e0abe6c28e0480424c1e467afb7430">get_crc32</a>((data-&gt;<a class="code hl_variable" href="structfw__info__t.html#acd99bb05ca015e7d74448acb1deba7ca">version</a>) + (data-&gt;<a class="code hl_variable" href="structfw__info__t.html#ab2c6b258f02add8fdf4cfc7c371dd772">size</a>));</div>
<div class="line"><a id="l00682" name="l00682"></a><span class="lineno">  682</span>}</div>
<div class="line"><a id="l00683" name="l00683"></a><span class="lineno">  683</span> </div>
<div class="line"><a id="l00690" name="l00690"></a><span class="lineno"><a class="line" href="userboot_8c.html#a9412f435ea365342178b2399fc08a846">  690</a></span><span class="keyword">static</span> uint8_t <a class="code hl_function" href="userboot_8c.html#a9412f435ea365342178b2399fc08a846">set_device_info</a>(<span class="keyword">const</span> <a class="code hl_struct" href="structdev__info__t.html">dev_info_t</a> *ptr)</div>
<div class="line"><a id="l00691" name="l00691"></a><span class="lineno">  691</span>{</div>
<div class="line"><a id="l00692" name="l00692"></a><span class="lineno">  692</span>    uint8_t res = 0;</div>
<div class="line"><a id="l00693" name="l00693"></a><span class="lineno">  693</span>    res = FLASH_Erase((uint32_t)<a class="code hl_variable" href="userboot_8c.html#a61b57d538c8e4da2b8682a3eb2262757">Device_Info</a>);</div>
<div class="line"><a id="l00694" name="l00694"></a><span class="lineno">  694</span>    <span class="keywordflow">if</span> (res != FLASH_RES_OK)</div>
<div class="line"><a id="l00695" name="l00695"></a><span class="lineno">  695</span>    {</div>
<div class="line"><a id="l00696" name="l00696"></a><span class="lineno">  696</span>        <span class="keywordflow">return</span> res;</div>
<div class="line"><a id="l00697" name="l00697"></a><span class="lineno">  697</span>    }</div>
<div class="line"><a id="l00698" name="l00698"></a><span class="lineno">  698</span>    </div>
<div class="line"><a id="l00699" name="l00699"></a><span class="lineno">  699</span>    res = FLASH_Write((uint32_t)<a class="code hl_variable" href="userboot_8c.html#a61b57d538c8e4da2b8682a3eb2262757">Device_Info</a>, (uint32_t *)ptr, <span class="keyword">sizeof</span>(<a class="code hl_struct" href="structdev__info__t.html">dev_info_t</a>) &gt;&gt; 2);</div>
<div class="line"><a id="l00700" name="l00700"></a><span class="lineno">  700</span>    <span class="keywordflow">if</span> (res != FLASH_RES_OK)</div>
<div class="line"><a id="l00701" name="l00701"></a><span class="lineno">  701</span>    {</div>
<div class="line"><a id="l00702" name="l00702"></a><span class="lineno">  702</span>        <span class="keywordflow">return</span> res;</div>
<div class="line"><a id="l00703" name="l00703"></a><span class="lineno">  703</span>    }</div>
<div class="line"><a id="l00704" name="l00704"></a><span class="lineno">  704</span>    </div>
<div class="line"><a id="l00705" name="l00705"></a><span class="lineno">  705</span>    <span class="comment">//回读校验</span></div>
<div class="line"><a id="l00706" name="l00706"></a><span class="lineno">  706</span>    <span class="keywordflow">if</span> (<a class="code hl_variable" href="userboot_8c.html#a61b57d538c8e4da2b8682a3eb2262757">Device_Info</a>-&gt;<a class="code hl_variable" href="structdev__info__t.html#afa0b1880d8da843fe65a6d238539458c">app</a>.<a class="code hl_variable" href="structfw__info__t.html#acd99bb05ca015e7d74448acb1deba7ca">version</a> != ptr-&gt;<a class="code hl_variable" href="structdev__info__t.html#afa0b1880d8da843fe65a6d238539458c">app</a>.<a class="code hl_variable" href="structfw__info__t.html#acd99bb05ca015e7d74448acb1deba7ca">version</a> ||</div>
<div class="line"><a id="l00707" name="l00707"></a><span class="lineno">  707</span>        <a class="code hl_variable" href="userboot_8c.html#a61b57d538c8e4da2b8682a3eb2262757">Device_Info</a>-&gt;<a class="code hl_variable" href="structdev__info__t.html#afa0b1880d8da843fe65a6d238539458c">app</a>.<a class="code hl_variable" href="structfw__info__t.html#ab2c6b258f02add8fdf4cfc7c371dd772">size</a> != ptr-&gt;<a class="code hl_variable" href="structdev__info__t.html#afa0b1880d8da843fe65a6d238539458c">app</a>.<a class="code hl_variable" href="structfw__info__t.html#ab2c6b258f02add8fdf4cfc7c371dd772">size</a> ||</div>
<div class="line"><a id="l00708" name="l00708"></a><span class="lineno">  708</span>        <a class="code hl_variable" href="userboot_8c.html#a61b57d538c8e4da2b8682a3eb2262757">Device_Info</a>-&gt;<a class="code hl_variable" href="structdev__info__t.html#afa0b1880d8da843fe65a6d238539458c">app</a>.<a class="code hl_variable" href="structfw__info__t.html#a85b7a7f21b6108b69872839e2509cd67">crc</a> != ptr-&gt;<a class="code hl_variable" href="structdev__info__t.html#afa0b1880d8da843fe65a6d238539458c">app</a>.<a class="code hl_variable" href="structfw__info__t.html#a85b7a7f21b6108b69872839e2509cd67">crc</a> ||</div>
<div class="line"><a id="l00709" name="l00709"></a><span class="lineno">  709</span>        <a class="code hl_variable" href="userboot_8c.html#a61b57d538c8e4da2b8682a3eb2262757">Device_Info</a>-&gt;<a class="code hl_variable" href="structdev__info__t.html#a6dfc16436f3665ca64b76194408d632d">boot</a> != ptr-&gt;<a class="code hl_variable" href="structdev__info__t.html#a6dfc16436f3665ca64b76194408d632d">boot</a> ||</div>
<div class="line"><a id="l00710" name="l00710"></a><span class="lineno">  710</span>        <a class="code hl_variable" href="userboot_8c.html#a61b57d538c8e4da2b8682a3eb2262757">Device_Info</a>-&gt;<a class="code hl_variable" href="structdev__info__t.html#a5a45e014ab7b8fb98cf91232e2981e01">boot_version</a> != ptr-&gt;<a class="code hl_variable" href="structdev__info__t.html#a5a45e014ab7b8fb98cf91232e2981e01">boot_version</a></div>
<div class="line"><a id="l00711" name="l00711"></a><span class="lineno">  711</span>        <span class="comment">/*                                              ||</span></div>
<div class="line"><a id="l00712" name="l00712"></a><span class="lineno">  712</span><span class="comment">        Device_Info-&gt;app.reserve != ptr-&gt;app.reserve    ||</span></div>
<div class="line"><a id="l00713" name="l00713"></a><span class="lineno">  713</span><span class="comment">        Device_Info-&gt;reserve[0] != ptr-&gt;reserve[0]      ||</span></div>
<div class="line"><a id="l00714" name="l00714"></a><span class="lineno">  714</span><span class="comment">        Device_Info-&gt;reserve[1] != ptr-&gt;reserve[1]</span></div>
<div class="line"><a id="l00715" name="l00715"></a><span class="lineno">  715</span><span class="comment">        没用的信息就懒得校验了 */</span></div>
<div class="line"><a id="l00716" name="l00716"></a><span class="lineno">  716</span>        )</div>
<div class="line"><a id="l00717" name="l00717"></a><span class="lineno">  717</span>    {</div>
<div class="line"><a id="l00718" name="l00718"></a><span class="lineno">  718</span>        <span class="comment">//#define FLASH_RES_OK  0</span></div>
<div class="line"><a id="l00719" name="l00719"></a><span class="lineno">  719</span>        <span class="comment">//#define FLASH_RES_TO  1   //Timeout</span></div>
<div class="line"><a id="l00720" name="l00720"></a><span class="lineno">  720</span>        <span class="comment">//#define FLASH_RES_ERR 2</span></div>
<div class="line"><a id="l00721" name="l00721"></a><span class="lineno">  721</span>        <span class="keywordflow">return</span> 3;</div>
<div class="line"><a id="l00722" name="l00722"></a><span class="lineno">  722</span>    }</div>
<div class="line"><a id="l00723" name="l00723"></a><span class="lineno">  723</span>    <span class="comment">/*</span></div>
<div class="line"><a id="l00724" name="l00724"></a><span class="lineno">  724</span><span class="comment">    if (res != 0)</span></div>
<div class="line"><a id="l00725" name="l00725"></a><span class="lineno">  725</span><span class="comment">    {</span></div>
<div class="line"><a id="l00726" name="l00726"></a><span class="lineno">  726</span><span class="comment">        while (1) __NOP();//不允许出现 Chip-Flash 写入失败的情况, 若出现了请排查用户层传入参数错误(数据源/地址/数据量对齐)</span></div>
<div class="line"><a id="l00727" name="l00727"></a><span class="lineno">  727</span><span class="comment">    }*/</span></div>
<div class="line"><a id="l00728" name="l00728"></a><span class="lineno">  728</span>    <span class="keywordflow">return</span> res;</div>
<div class="line"><a id="l00729" name="l00729"></a><span class="lineno">  729</span>}</div>
<div class="line"><a id="l00730" name="l00730"></a><span class="lineno">  730</span> </div>
<div class="line"><a id="l00739" name="l00739"></a><span class="lineno"><a class="line" href="userboot_8c.html#a43be464e9071b97862e51b2273afd856">  739</a></span><span class="keyword">static</span> uint8_t <a class="code hl_function" href="userboot_8c.html#a43be464e9071b97862e51b2273afd856">firmware_backup</a>(<span class="keyword">const</span> <span class="keywordtype">char</span> *path, <a class="code hl_typedef" href="userboot_8h.html#a73b10fad3e8bed1f1afc0b09e52b4498">data_code_cb</a> data_enc)</div>
<div class="line"><a id="l00740" name="l00740"></a><span class="lineno">  740</span>{</div>
<div class="line"><a id="l00741" name="l00741"></a><span class="lineno">  741</span>    <span class="comment">//读写缓冲区</span></div>
<div class="line"><a id="l00742" name="l00742"></a><span class="lineno">  742</span>    <span class="comment">//uint8_t Write_Buff[Flash_Alignment] __attribute__((aligned(4)));//消耗RAM太大, 易爆栈</span></div>
<div class="line"><a id="l00743" name="l00743"></a><span class="lineno">  743</span> </div>
<div class="line"><a id="l00744" name="l00744"></a><span class="lineno">  744</span>    FIL file;                             <span class="comment">//文件指针</span></div>
<div class="line"><a id="l00745" name="l00745"></a><span class="lineno">  745</span>    uint8_t res = 0;                      <span class="comment">//返回值</span></div>
<div class="line"><a id="l00746" name="l00746"></a><span class="lineno">  746</span>    uint32_t read_len = 0, write_len = 0; <span class="comment">//读/写文件字节数</span></div>
<div class="line"><a id="l00747" name="l00747"></a><span class="lineno">  747</span>    uint32_t offset = 0;                  <span class="comment">// Chip-Flash 读的偏移量</span></div>
<div class="line"><a id="l00748" name="l00748"></a><span class="lineno">  748</span>    uint32_t firmware_size = 0;           <span class="comment">//固件大小 / Bytes</span></div>
<div class="line"><a id="l00749" name="l00749"></a><span class="lineno">  749</span> </div>
<div class="line"><a id="l00750" name="l00750"></a><span class="lineno">  750</span>    <span class="comment">//===============================================校验固件===============================================//</span></div>
<div class="line"><a id="l00751" name="l00751"></a><span class="lineno">  751</span>    <span class="comment">//获取固件大小</span></div>
<div class="line"><a id="l00752" name="l00752"></a><span class="lineno">  752</span>    firmware_size = <a class="code hl_variable" href="userboot_8c.html#a61b57d538c8e4da2b8682a3eb2262757">Device_Info</a>-&gt;<a class="code hl_variable" href="structdev__info__t.html#afa0b1880d8da843fe65a6d238539458c">app</a>.<a class="code hl_variable" href="structfw__info__t.html#ab2c6b258f02add8fdf4cfc7c371dd772">size</a>;</div>
<div class="line"><a id="l00753" name="l00753"></a><span class="lineno">  753</span>    <span class="comment">//获取固件信息</span></div>
<div class="line"><a id="l00754" name="l00754"></a><span class="lineno">  754</span>    <a class="code hl_struct" href="structfw__info__t.html">fw_info_t</a> firmware_info = <a class="code hl_variable" href="userboot_8c.html#a61b57d538c8e4da2b8682a3eb2262757">Device_Info</a>-&gt;<a class="code hl_variable" href="structdev__info__t.html#afa0b1880d8da843fe65a6d238539458c">app</a>;</div>
<div class="line"><a id="l00755" name="l00755"></a><span class="lineno">  755</span>    <a class="code hl_define" href="userboot_8c.html#a2a6f5a01513f0f9ca1e58abdd5fdf68d">UB_LOG</a>(<span class="stringliteral">&quot;The [firmware_backup] Version = 0x[%x], Size = 0x[%x], CRC = 0x[%x]\r\n&quot;</span>, firmware_info.<a class="code hl_variable" href="structfw__info__t.html#acd99bb05ca015e7d74448acb1deba7ca">version</a>, firmware_info.<a class="code hl_variable" href="structfw__info__t.html#ab2c6b258f02add8fdf4cfc7c371dd772">size</a>, firmware_info.<a class="code hl_variable" href="structfw__info__t.html#a85b7a7f21b6108b69872839e2509cd67">crc</a>);</div>
<div class="line"><a id="l00756" name="l00756"></a><span class="lineno">  756</span>    <span class="comment">//判断固件是否有效 / 固件信息是否准确</span></div>
<div class="line"><a id="l00757" name="l00757"></a><span class="lineno">  757</span>    <span class="keywordflow">if</span> (</div>
<div class="line"><a id="l00758" name="l00758"></a><span class="lineno">  758</span>        ((*(<span class="keyword">volatile</span> uint32_t *)(<a class="code hl_variable" href="userboot_8c.html#ab7b25dc5a7178e72dbb35375eb06604d">Firmware_Addr</a>)) &amp; 0x2FFE0000) != 0x20000000 ||</div>
<div class="line"><a id="l00759" name="l00759"></a><span class="lineno">  759</span>        ((*(<span class="keyword">volatile</span> uint32_t *)(<a class="code hl_variable" href="userboot_8c.html#ab7b25dc5a7178e72dbb35375eb06604d">Firmware_Addr</a>)) &amp; 0x0001FFFF) &gt;= 0x00010000 ||</div>
<div class="line"><a id="l00760" name="l00760"></a><span class="lineno">  760</span>        firmware_size == 0 ||</div>
<div class="line"><a id="l00761" name="l00761"></a><span class="lineno">  761</span>        firmware_size &gt; <a class="code hl_variable" href="userboot_8c.html#aacc50e52c6d7172179c43b3dbc22b7e1">Firmware_Max_Size</a> ||</div>
<div class="line"><a id="l00762" name="l00762"></a><span class="lineno">  762</span>        <a class="code hl_function" href="userboot_8c.html#aeeea4715dd32a4a4ecdf61a2869d1307">calculate_crc</a>(&amp;firmware_info) != firmware_info.<a class="code hl_variable" href="structfw__info__t.html#a85b7a7f21b6108b69872839e2509cd67">crc</a>)</div>
<div class="line"><a id="l00763" name="l00763"></a><span class="lineno">  763</span>    {</div>
<div class="line"><a id="l00764" name="l00764"></a><span class="lineno">  764</span>        res = 1;</div>
<div class="line"><a id="l00765" name="l00765"></a><span class="lineno">  765</span>        <a class="code hl_define" href="userboot_8c.html#a2a6f5a01513f0f9ca1e58abdd5fdf68d">UB_LOG</a>(<span class="stringliteral">&quot;The Firmware is invalid! calculate_crc = 0x[%x]\r\n&quot;</span>, <a class="code hl_function" href="userboot_8c.html#aeeea4715dd32a4a4ecdf61a2869d1307">calculate_crc</a>(&amp;firmware_info));</div>
<div class="line"><a id="l00766" name="l00766"></a><span class="lineno">  766</span>        <span class="keywordflow">return</span> res;</div>
<div class="line"><a id="l00767" name="l00767"></a><span class="lineno">  767</span>    }</div>
<div class="line"><a id="l00768" name="l00768"></a><span class="lineno">  768</span>    <span class="comment">//===============================================校验通过===============================================//</span></div>
<div class="line"><a id="l00769" name="l00769"></a><span class="lineno">  769</span>    <span class="comment">//  FA_CREATE_ALWAYS : 创建一个新文件，如果文件已存在，则它将被截断并覆盖</span></div>
<div class="line"><a id="l00770" name="l00770"></a><span class="lineno">  770</span>    <span class="comment">//  FA_OPEN_ALWAYS   : 如果文件存在，则打开；否则，创建一个新文件</span></div>
<div class="line"><a id="l00771" name="l00771"></a><span class="lineno">  771</span>    <span class="comment">//  FA_OPEN_EXISTING : 打开一个文件。如果文件不存在，该函数将失败</span></div>
<div class="line"><a id="l00772" name="l00772"></a><span class="lineno">  772</span>    res = f_open(&amp;file, path, FA_WRITE | FA_OPEN_ALWAYS);</div>
<div class="line"><a id="l00773" name="l00773"></a><span class="lineno">  773</span>    <span class="keywordflow">if</span> (FR_OK != res)</div>
<div class="line"><a id="l00774" name="l00774"></a><span class="lineno">  774</span>    {</div>
<div class="line"><a id="l00775" name="l00775"></a><span class="lineno">  775</span>        <a class="code hl_define" href="userboot_8c.html#a2a6f5a01513f0f9ca1e58abdd5fdf68d">UB_LOG</a>(<span class="stringliteral">&quot;The Firmware is [%s] file [f_open] = [%d]\r\n&quot;</span>, path, res);</div>
<div class="line"><a id="l00776" name="l00776"></a><span class="lineno">  776</span>        <span class="keywordflow">return</span> res;</div>
<div class="line"><a id="l00777" name="l00777"></a><span class="lineno">  777</span>    }</div>
<div class="line"><a id="l00778" name="l00778"></a><span class="lineno">  778</span>    f_lseek(&amp;file, 0);</div>
<div class="line"><a id="l00779" name="l00779"></a><span class="lineno">  779</span>    <span class="comment">//===============================================固件备份===============================================//</span></div>
<div class="line"><a id="l00780" name="l00780"></a><span class="lineno">  780</span>    <span class="comment">//先写入 固件信息头 再写 实际固件</span></div>
<div class="line"><a id="l00781" name="l00781"></a><span class="lineno">  781</span>    res = f_write(&amp;file, (<span class="keywordtype">void</span> *)&amp;firmware_info, <span class="keyword">sizeof</span>(firmware_info), &amp;write_len);</div>
<div class="line"><a id="l00782" name="l00782"></a><span class="lineno">  782</span>    <span class="keywordflow">if</span> (FR_OK != res || write_len &lt; <span class="keyword">sizeof</span>(firmware_info)) <span class="comment">//写入不完整-大概率是目录已满</span></div>
<div class="line"><a id="l00783" name="l00783"></a><span class="lineno">  783</span>    {</div>
<div class="line"><a id="l00784" name="l00784"></a><span class="lineno">  784</span>        <a class="code hl_define" href="userboot_8c.html#a2a6f5a01513f0f9ca1e58abdd5fdf68d">UB_LOG</a>(<span class="stringliteral">&quot;[%s] file [write_len] = [%d], result = [%d]\r\n&quot;</span>, path, write_len, res);</div>
<div class="line"><a id="l00785" name="l00785"></a><span class="lineno">  785</span>        res = FR_DENIED;</div>
<div class="line"><a id="l00786" name="l00786"></a><span class="lineno">  786</span>        <span class="keywordflow">goto</span> firmware_backup_over;</div>
<div class="line"><a id="l00787" name="l00787"></a><span class="lineno">  787</span>    }</div>
<div class="line"><a id="l00788" name="l00788"></a><span class="lineno">  788</span><span class="preprocessor">#ifdef UB_SECURE_AES_ENABLE</span></div>
<div class="line"><a id="l00789" name="l00789"></a><span class="lineno">  789</span>    memcpy(IV, IV_Init, <span class="keyword">sizeof</span>(IV)); <span class="comment">//重置密文分组</span></div>
<div class="line"><a id="l00790" name="l00790"></a><span class="lineno">  790</span><span class="preprocessor">#endif</span></div>
<div class="line"><a id="l00791" name="l00791"></a><span class="lineno">  791</span>    read_len = <span class="keyword">sizeof</span>(<a class="code hl_variable" href="userboot_8c.html#a4a0b2732c5f61ce1fb64c5c1e63f6df3">Write_Buff</a>); <span class="comment">//按 4K 读写</span></div>
<div class="line"><a id="l00792" name="l00792"></a><span class="lineno">  792</span>    <span class="keywordflow">for</span> (uint32_t offset = 0; FR_OK == res &amp;&amp; offset &lt; firmware_size; offset += read_len)</div>
<div class="line"><a id="l00793" name="l00793"></a><span class="lineno">  793</span>    {</div>
<div class="line"><a id="l00794" name="l00794"></a><span class="lineno">  794</span>        <span class="comment">//最后一次 Write_Buff 不满</span></div>
<div class="line"><a id="l00795" name="l00795"></a><span class="lineno">  795</span>        <span class="keywordflow">if</span> (firmware_size - offset &lt; read_len)</div>
<div class="line"><a id="l00796" name="l00796"></a><span class="lineno">  796</span>        {</div>
<div class="line"><a id="l00797" name="l00797"></a><span class="lineno">  797</span>            read_len = firmware_size - offset;</div>
<div class="line"><a id="l00798" name="l00798"></a><span class="lineno">  798</span>            <span class="keywordflow">if</span> ((read_len &amp; 0xF) != 0) <span class="comment">//最后不足 16 Bytes 的部分进行 padding</span></div>
<div class="line"><a id="l00799" name="l00799"></a><span class="lineno">  799</span>            {</div>
<div class="line"><a id="l00800" name="l00800"></a><span class="lineno">  800</span>                read_len = (read_len &amp; (~0xF)) + 16;</div>
<div class="line"><a id="l00801" name="l00801"></a><span class="lineno">  801</span>            }</div>
<div class="line"><a id="l00802" name="l00802"></a><span class="lineno">  802</span>        }</div>
<div class="line"><a id="l00803" name="l00803"></a><span class="lineno">  803</span> </div>
<div class="line"><a id="l00804" name="l00804"></a><span class="lineno">  804</span>        <span class="keywordflow">if</span> (data_enc != NULL) <span class="comment">//加密</span></div>
<div class="line"><a id="l00805" name="l00805"></a><span class="lineno">  805</span>        {</div>
<div class="line"><a id="l00806" name="l00806"></a><span class="lineno">  806</span>            <span class="keywordflow">if</span> (data_enc((uint8_t *)(<a class="code hl_variable" href="userboot_8c.html#ab7b25dc5a7178e72dbb35375eb06604d">Firmware_Addr</a> + offset), <a class="code hl_variable" href="userboot_8c.html#a4a0b2732c5f61ce1fb64c5c1e63f6df3">Write_Buff</a>, read_len) != 0)</div>
<div class="line"><a id="l00807" name="l00807"></a><span class="lineno">  807</span>            {</div>
<div class="line"><a id="l00808" name="l00808"></a><span class="lineno">  808</span>                res = 2;</div>
<div class="line"><a id="l00809" name="l00809"></a><span class="lineno">  809</span>                <a class="code hl_define" href="userboot_8c.html#a2a6f5a01513f0f9ca1e58abdd5fdf68d">UB_LOG</a>(<span class="stringliteral">&quot;The Firmware [data_enc] result = [%d]!\r\n&quot;</span>, res);</div>
<div class="line"><a id="l00810" name="l00810"></a><span class="lineno">  810</span>                <span class="keywordflow">break</span>;</div>
<div class="line"><a id="l00811" name="l00811"></a><span class="lineno">  811</span>            }</div>
<div class="line"><a id="l00812" name="l00812"></a><span class="lineno">  812</span>        }</div>
<div class="line"><a id="l00813" name="l00813"></a><span class="lineno">  813</span>        <span class="keywordflow">else</span></div>
<div class="line"><a id="l00814" name="l00814"></a><span class="lineno">  814</span>        {</div>
<div class="line"><a id="l00815" name="l00815"></a><span class="lineno">  815</span>            memcpy(<a class="code hl_variable" href="userboot_8c.html#a4a0b2732c5f61ce1fb64c5c1e63f6df3">Write_Buff</a>, (uint8_t *)(<a class="code hl_variable" href="userboot_8c.html#ab7b25dc5a7178e72dbb35375eb06604d">Firmware_Addr</a> + offset), read_len);</div>
<div class="line"><a id="l00816" name="l00816"></a><span class="lineno">  816</span>        }</div>
<div class="line"><a id="l00817" name="l00817"></a><span class="lineno">  817</span> </div>
<div class="line"><a id="l00818" name="l00818"></a><span class="lineno">  818</span>        res = f_write(&amp;file, <a class="code hl_variable" href="userboot_8c.html#a4a0b2732c5f61ce1fb64c5c1e63f6df3">Write_Buff</a>, read_len, &amp;write_len);</div>
<div class="line"><a id="l00819" name="l00819"></a><span class="lineno">  819</span>        <span class="keywordflow">if</span> (write_len &lt; read_len) <span class="comment">//写入不完整-大概率是目录已满</span></div>
<div class="line"><a id="l00820" name="l00820"></a><span class="lineno">  820</span>        {</div>
<div class="line"><a id="l00821" name="l00821"></a><span class="lineno">  821</span>            <a class="code hl_define" href="userboot_8c.html#a2a6f5a01513f0f9ca1e58abdd5fdf68d">UB_LOG</a>(<span class="stringliteral">&quot;[%s] file [write_len] = [%d], result = [%d]\r\n&quot;</span>, path, write_len, res);</div>
<div class="line"><a id="l00822" name="l00822"></a><span class="lineno">  822</span>            res = FR_DENIED;</div>
<div class="line"><a id="l00823" name="l00823"></a><span class="lineno">  823</span>            <span class="keywordflow">break</span>;</div>
<div class="line"><a id="l00824" name="l00824"></a><span class="lineno">  824</span>        }</div>
<div class="line"><a id="l00825" name="l00825"></a><span class="lineno">  825</span>        <a class="code hl_define" href="userboot_8c.html#a2a6f5a01513f0f9ca1e58abdd5fdf68d">UB_LOG</a>(<span class="stringliteral">&quot;=============== [Firmware] Backup [%d]/[%d] Bytes ===============\r\n&quot;</span>, offset + read_len, firmware_size);</div>
<div class="line"><a id="l00826" name="l00826"></a><span class="lineno">  826</span>    }</div>
<div class="line"><a id="l00827" name="l00827"></a><span class="lineno">  827</span>    <span class="comment">//===============================================结束备份===============================================//</span></div>
<div class="line"><a id="l00828" name="l00828"></a><span class="lineno">  828</span>firmware_backup_over:</div>
<div class="line"><a id="l00829" name="l00829"></a><span class="lineno">  829</span>    f_close(&amp;file);</div>
<div class="line"><a id="l00830" name="l00830"></a><span class="lineno">  830</span>    <span class="keywordflow">return</span> res;</div>
<div class="line"><a id="l00831" name="l00831"></a><span class="lineno">  831</span>}</div>
<div class="line"><a id="l00832" name="l00832"></a><span class="lineno">  832</span> </div>
<div class="line"><a id="l00841" name="l00841"></a><span class="lineno"><a class="line" href="userboot_8c.html#ae1cbf84771d87b5530710ae6852bd827">  841</a></span><span class="keyword">static</span> uint8_t <a class="code hl_function" href="userboot_8c.html#ae1cbf84771d87b5530710ae6852bd827">firmware_update</a>(<span class="keyword">const</span> <span class="keywordtype">char</span> *path, <a class="code hl_typedef" href="userboot_8h.html#a73b10fad3e8bed1f1afc0b09e52b4498">data_code_cb</a> data_dec)</div>
<div class="line"><a id="l00842" name="l00842"></a><span class="lineno">  842</span>{</div>
<div class="line"><a id="l00843" name="l00843"></a><span class="lineno">  843</span>    <span class="comment">//读写缓冲区</span></div>
<div class="line"><a id="l00844" name="l00844"></a><span class="lineno">  844</span>    <span class="comment">//uint8_t Read_Buff[Flash_Alignment] __attribute__((aligned(4)));</span></div>
<div class="line"><a id="l00845" name="l00845"></a><span class="lineno">  845</span>    <span class="comment">//uint8_t Write_Buff[Flash_Alignment] __attribute__((aligned(4))); //消耗RAM太大, 易爆栈</span></div>
<div class="line"><a id="l00846" name="l00846"></a><span class="lineno">  846</span> </div>
<div class="line"><a id="l00847" name="l00847"></a><span class="lineno">  847</span>    FIL file;                   <span class="comment">//文件指针</span></div>
<div class="line"><a id="l00848" name="l00848"></a><span class="lineno">  848</span>    uint8_t res = 0;            <span class="comment">//返回值</span></div>
<div class="line"><a id="l00849" name="l00849"></a><span class="lineno">  849</span>    uint32_t read_len = 0;      <span class="comment">//读文件字节数</span></div>
<div class="line"><a id="l00850" name="l00850"></a><span class="lineno">  850</span>    uint32_t offset = 0;        <span class="comment">// Chip-Flash 擦/写的偏移量</span></div>
<div class="line"><a id="l00851" name="l00851"></a><span class="lineno">  851</span>    uint32_t firmware_size = 0; <span class="comment">//固件大小 / Bytes</span></div>
<div class="line"><a id="l00852" name="l00852"></a><span class="lineno">  852</span> </div>
<div class="line"><a id="l00853" name="l00853"></a><span class="lineno">  853</span>    <span class="comment">//  FA_CREATE_ALWAYS : 创建一个新文件，如果文件已存在，则它将被截断并覆盖</span></div>
<div class="line"><a id="l00854" name="l00854"></a><span class="lineno">  854</span>    <span class="comment">//  FA_OPEN_ALWAYS   : 如果文件存在，则打开；否则，创建一个新文件</span></div>
<div class="line"><a id="l00855" name="l00855"></a><span class="lineno">  855</span>    <span class="comment">//  FA_OPEN_EXISTING : 打开一个文件。如果文件不存在，该函数将失败</span></div>
<div class="line"><a id="l00856" name="l00856"></a><span class="lineno">  856</span>    res = f_open(&amp;file, path, FA_READ | FA_OPEN_EXISTING);</div>
<div class="line"><a id="l00857" name="l00857"></a><span class="lineno">  857</span>    <span class="keywordflow">if</span> (FR_OK != res)</div>
<div class="line"><a id="l00858" name="l00858"></a><span class="lineno">  858</span>    {</div>
<div class="line"><a id="l00859" name="l00859"></a><span class="lineno">  859</span>        <a class="code hl_define" href="userboot_8c.html#a2a6f5a01513f0f9ca1e58abdd5fdf68d">UB_LOG</a>(<span class="stringliteral">&quot;The Firmware is [%s] file [f_open] = [%d]\r\n&quot;</span>, path, res);</div>
<div class="line"><a id="l00860" name="l00860"></a><span class="lineno">  860</span>        <span class="keywordflow">return</span> res;</div>
<div class="line"><a id="l00861" name="l00861"></a><span class="lineno">  861</span>    }</div>
<div class="line"><a id="l00862" name="l00862"></a><span class="lineno">  862</span>    <span class="comment">//===============================================校验固件===============================================//</span></div>
<div class="line"><a id="l00863" name="l00863"></a><span class="lineno">  863</span>    <span class="comment">//文件光标定位</span></div>
<div class="line"><a id="l00864" name="l00864"></a><span class="lineno">  864</span>    f_lseek(&amp;file, 0);</div>
<div class="line"><a id="l00865" name="l00865"></a><span class="lineno">  865</span>    <span class="comment">//获取固件大小</span></div>
<div class="line"><a id="l00866" name="l00866"></a><span class="lineno">  866</span>    firmware_size = f_size(&amp;file);</div>
<div class="line"><a id="l00867" name="l00867"></a><span class="lineno">  867</span>    <span class="comment">//获取固件信息</span></div>
<div class="line"><a id="l00868" name="l00868"></a><span class="lineno">  868</span>    <a class="code hl_struct" href="structfw__info__t.html">fw_info_t</a> firmware_info;</div>
<div class="line"><a id="l00869" name="l00869"></a><span class="lineno">  869</span>    res = f_read(&amp;file, &amp;firmware_info, <span class="keyword">sizeof</span>(<a class="code hl_struct" href="structfw__info__t.html">fw_info_t</a>), &amp;read_len);</div>
<div class="line"><a id="l00870" name="l00870"></a><span class="lineno">  870</span>    <span class="keywordflow">if</span> (res != FR_OK || read_len &lt; <span class="keyword">sizeof</span>(<a class="code hl_struct" href="structfw__info__t.html">fw_info_t</a>))</div>
<div class="line"><a id="l00871" name="l00871"></a><span class="lineno">  871</span>    {</div>
<div class="line"><a id="l00872" name="l00872"></a><span class="lineno">  872</span>        <span class="keywordflow">if</span> (read_len &lt; <span class="keyword">sizeof</span>(<a class="code hl_struct" href="structfw__info__t.html">fw_info_t</a>))</div>
<div class="line"><a id="l00873" name="l00873"></a><span class="lineno">  873</span>        {</div>
<div class="line"><a id="l00874" name="l00874"></a><span class="lineno">  874</span>            res = 1;</div>
<div class="line"><a id="l00875" name="l00875"></a><span class="lineno">  875</span>        }</div>
<div class="line"><a id="l00876" name="l00876"></a><span class="lineno">  876</span>        <a class="code hl_define" href="userboot_8c.html#a2a6f5a01513f0f9ca1e58abdd5fdf68d">UB_LOG</a>(<span class="stringliteral">&quot;The Firmware don&#39;t get info, result = [%d]!\r\n&quot;</span>, res);</div>
<div class="line"><a id="l00877" name="l00877"></a><span class="lineno">  877</span>        <span class="keywordflow">goto</span> firmware_update_over;</div>
<div class="line"><a id="l00878" name="l00878"></a><span class="lineno">  878</span>    }</div>
<div class="line"><a id="l00879" name="l00879"></a><span class="lineno">  879</span>    firmware_size -= read_len; <span class="comment">//得出实际的固件大小(经过 16 字节对齐填充后有可能与 firmware_info.size 不一致)</span></div>
<div class="line"><a id="l00880" name="l00880"></a><span class="lineno">  880</span>    <a class="code hl_define" href="userboot_8c.html#a2a6f5a01513f0f9ca1e58abdd5fdf68d">UB_LOG</a>(<span class="stringliteral">&quot;The [firmware_update] Version = 0x[%x], Size = 0x[%x], CRC = 0x[%x]\r\n&quot;</span>, firmware_info.<a class="code hl_variable" href="structfw__info__t.html#acd99bb05ca015e7d74448acb1deba7ca">version</a>, firmware_info.<a class="code hl_variable" href="structfw__info__t.html#ab2c6b258f02add8fdf4cfc7c371dd772">size</a>, firmware_info.<a class="code hl_variable" href="structfw__info__t.html#a85b7a7f21b6108b69872839e2509cd67">crc</a>);</div>
<div class="line"><a id="l00881" name="l00881"></a><span class="lineno">  881</span> </div>
<div class="line"><a id="l00882" name="l00882"></a><span class="lineno">  882</span>    <span class="comment">//判断固件是否有效 / 固件信息是否准确</span></div>
<div class="line"><a id="l00883" name="l00883"></a><span class="lineno">  883</span>    <span class="keywordflow">if</span> ((firmware_size &amp; 0xF) != 0 ||</div>
<div class="line"><a id="l00884" name="l00884"></a><span class="lineno">  884</span>        firmware_size - firmware_info.<a class="code hl_variable" href="structfw__info__t.html#ab2c6b258f02add8fdf4cfc7c371dd772">size</a> &gt;= 16 ||</div>
<div class="line"><a id="l00885" name="l00885"></a><span class="lineno">  885</span>        firmware_size &gt; <a class="code hl_variable" href="userboot_8c.html#aacc50e52c6d7172179c43b3dbc22b7e1">Firmware_Max_Size</a> ||</div>
<div class="line"><a id="l00886" name="l00886"></a><span class="lineno">  886</span>        <a class="code hl_function" href="userboot_8c.html#aeeea4715dd32a4a4ecdf61a2869d1307">calculate_crc</a>(&amp;firmware_info) != firmware_info.<a class="code hl_variable" href="structfw__info__t.html#a85b7a7f21b6108b69872839e2509cd67">crc</a>)</div>
<div class="line"><a id="l00887" name="l00887"></a><span class="lineno">  887</span>    {</div>
<div class="line"><a id="l00888" name="l00888"></a><span class="lineno">  888</span>        res = 2;</div>
<div class="line"><a id="l00889" name="l00889"></a><span class="lineno">  889</span>        <a class="code hl_define" href="userboot_8c.html#a2a6f5a01513f0f9ca1e58abdd5fdf68d">UB_LOG</a>(<span class="stringliteral">&quot;The Firmware is invalid! calculate_crc = 0x[%x]\r\n&quot;</span>, <a class="code hl_function" href="userboot_8c.html#aeeea4715dd32a4a4ecdf61a2869d1307">calculate_crc</a>(&amp;firmware_info));</div>
<div class="line"><a id="l00890" name="l00890"></a><span class="lineno">  890</span>        <span class="keywordflow">goto</span> firmware_update_over;</div>
<div class="line"><a id="l00891" name="l00891"></a><span class="lineno">  891</span>    }</div>
<div class="line"><a id="l00892" name="l00892"></a><span class="lineno">  892</span>    <span class="comment">//===============================================校验通过===============================================//</span></div>
<div class="line"><a id="l00893" name="l00893"></a><span class="lineno">  893</span><span class="preprocessor">#ifdef UB_SECURE_AES_ENABLE</span></div>
<div class="line"><a id="l00894" name="l00894"></a><span class="lineno">  894</span>    memcpy(IV, IV_Init, <span class="keyword">sizeof</span>(IV)); <span class="comment">//重置密文分组</span></div>
<div class="line"><a id="l00895" name="l00895"></a><span class="lineno">  895</span><span class="preprocessor">#endif</span></div>
<div class="line"><a id="l00896" name="l00896"></a><span class="lineno">  896</span>    <span class="comment">//===============================================更新固件===============================================//</span></div>
<div class="line"><a id="l00897" name="l00897"></a><span class="lineno">  897</span>    <span class="comment">//进行 APP 执行区域的扇区擦除</span></div>
<div class="line"><a id="l00898" name="l00898"></a><span class="lineno">  898</span>    <span class="keywordflow">for</span> (offset = 0; offset &lt; firmware_size; offset += <a class="code hl_define" href="userboot_8c.html#a19a96f539c8c822d99992939cc6e6a29">Flash_Alignment</a>)</div>
<div class="line"><a id="l00899" name="l00899"></a><span class="lineno">  899</span>    {</div>
<div class="line"><a id="l00900" name="l00900"></a><span class="lineno">  900</span>        res = FLASH_Erase(<a class="code hl_variable" href="userboot_8c.html#ab7b25dc5a7178e72dbb35375eb06604d">Firmware_Addr</a> + offset);</div>
<div class="line"><a id="l00901" name="l00901"></a><span class="lineno">  901</span>        <span class="keywordflow">if</span> (res != FLASH_RES_OK)</div>
<div class="line"><a id="l00902" name="l00902"></a><span class="lineno">  902</span>        {</div>
<div class="line"><a id="l00903" name="l00903"></a><span class="lineno">  903</span>            <a class="code hl_define" href="userboot_8c.html#a2a6f5a01513f0f9ca1e58abdd5fdf68d">UB_LOG</a>(<span class="stringliteral">&quot;The Firmware [FLASH_Erase] is [%d]!\r\n&quot;</span>, res);</div>
<div class="line"><a id="l00904" name="l00904"></a><span class="lineno">  904</span>            <span class="keywordflow">goto</span> firmware_update_over;</div>
<div class="line"><a id="l00905" name="l00905"></a><span class="lineno">  905</span>        }</div>
<div class="line"><a id="l00906" name="l00906"></a><span class="lineno">  906</span>    }</div>
<div class="line"><a id="l00907" name="l00907"></a><span class="lineno">  907</span>    <span class="comment">//读出 APP 新固件并写入 APP 执行区域&lt;Chip-Flash&gt;</span></div>
<div class="line"><a id="l00908" name="l00908"></a><span class="lineno">  908</span>    <span class="keywordflow">for</span> (offset = 0; offset &lt; firmware_size; offset += read_len)</div>
<div class="line"><a id="l00909" name="l00909"></a><span class="lineno">  909</span>    {</div>
<div class="line"><a id="l00910" name="l00910"></a><span class="lineno">  910</span>        res = f_read(&amp;file, <a class="code hl_variable" href="userboot_8c.html#a38146cd83df0f418546b0eadaeb369ff">Read_Buff</a>, <span class="keyword">sizeof</span>(<a class="code hl_variable" href="userboot_8c.html#a38146cd83df0f418546b0eadaeb369ff">Read_Buff</a>), &amp;read_len);</div>
<div class="line"><a id="l00911" name="l00911"></a><span class="lineno">  911</span>        <span class="keywordflow">if</span> (FR_OK != res || read_len == 0) <span class="comment">//读取文件失败</span></div>
<div class="line"><a id="l00912" name="l00912"></a><span class="lineno">  912</span>        {</div>
<div class="line"><a id="l00913" name="l00913"></a><span class="lineno">  913</span>            <a class="code hl_define" href="userboot_8c.html#a2a6f5a01513f0f9ca1e58abdd5fdf68d">UB_LOG</a>(<span class="stringliteral">&quot;The Firmware [f_read] result = [%d]!\r\n&quot;</span>, res);</div>
<div class="line"><a id="l00914" name="l00914"></a><span class="lineno">  914</span>            <span class="keywordflow">goto</span> firmware_update_over;</div>
<div class="line"><a id="l00915" name="l00915"></a><span class="lineno">  915</span>        }</div>
<div class="line"><a id="l00916" name="l00916"></a><span class="lineno">  916</span> </div>
<div class="line"><a id="l00917" name="l00917"></a><span class="lineno">  917</span>        <span class="keywordflow">if</span> (data_dec != NULL) <span class="comment">//解密</span></div>
<div class="line"><a id="l00918" name="l00918"></a><span class="lineno">  918</span>        {</div>
<div class="line"><a id="l00919" name="l00919"></a><span class="lineno">  919</span>            <span class="keywordflow">if</span> (data_dec(<a class="code hl_variable" href="userboot_8c.html#a38146cd83df0f418546b0eadaeb369ff">Read_Buff</a>, <a class="code hl_variable" href="userboot_8c.html#a4a0b2732c5f61ce1fb64c5c1e63f6df3">Write_Buff</a>, read_len) != 0)</div>
<div class="line"><a id="l00920" name="l00920"></a><span class="lineno">  920</span>            {</div>
<div class="line"><a id="l00921" name="l00921"></a><span class="lineno">  921</span>                res = 3;</div>
<div class="line"><a id="l00922" name="l00922"></a><span class="lineno">  922</span>                <a class="code hl_define" href="userboot_8c.html#a2a6f5a01513f0f9ca1e58abdd5fdf68d">UB_LOG</a>(<span class="stringliteral">&quot;The Firmware [data_dec] result = [%d]!\r\n&quot;</span>, res);</div>
<div class="line"><a id="l00923" name="l00923"></a><span class="lineno">  923</span>                <span class="keywordflow">goto</span> firmware_update_over;</div>
<div class="line"><a id="l00924" name="l00924"></a><span class="lineno">  924</span>            }</div>
<div class="line"><a id="l00925" name="l00925"></a><span class="lineno">  925</span>        }</div>
<div class="line"><a id="l00926" name="l00926"></a><span class="lineno">  926</span>        <span class="keywordflow">else</span></div>
<div class="line"><a id="l00927" name="l00927"></a><span class="lineno">  927</span>        {</div>
<div class="line"><a id="l00928" name="l00928"></a><span class="lineno">  928</span>            memcpy(<a class="code hl_variable" href="userboot_8c.html#a4a0b2732c5f61ce1fb64c5c1e63f6df3">Write_Buff</a>, <a class="code hl_variable" href="userboot_8c.html#a38146cd83df0f418546b0eadaeb369ff">Read_Buff</a>, read_len);</div>
<div class="line"><a id="l00929" name="l00929"></a><span class="lineno">  929</span>        }</div>
<div class="line"><a id="l00930" name="l00930"></a><span class="lineno">  930</span> </div>
<div class="line"><a id="l00931" name="l00931"></a><span class="lineno">  931</span>        res = FLASH_Write(<a class="code hl_variable" href="userboot_8c.html#ab7b25dc5a7178e72dbb35375eb06604d">Firmware_Addr</a> + offset, (uint32_t *)<a class="code hl_variable" href="userboot_8c.html#a4a0b2732c5f61ce1fb64c5c1e63f6df3">Write_Buff</a>, read_len &gt;&gt; 2);</div>
<div class="line"><a id="l00932" name="l00932"></a><span class="lineno">  932</span>        <span class="keywordflow">if</span> (res != FLASH_RES_OK)</div>
<div class="line"><a id="l00933" name="l00933"></a><span class="lineno">  933</span>        {</div>
<div class="line"><a id="l00934" name="l00934"></a><span class="lineno">  934</span>            <a class="code hl_define" href="userboot_8c.html#a2a6f5a01513f0f9ca1e58abdd5fdf68d">UB_LOG</a>(<span class="stringliteral">&quot;The Firmware [FLASH_Write] is [%d]!\r\n&quot;</span>, res);</div>
<div class="line"><a id="l00935" name="l00935"></a><span class="lineno">  935</span>            <span class="keywordflow">goto</span> firmware_update_over;</div>
<div class="line"><a id="l00936" name="l00936"></a><span class="lineno">  936</span>        }</div>
<div class="line"><a id="l00937" name="l00937"></a><span class="lineno">  937</span> </div>
<div class="line"><a id="l00938" name="l00938"></a><span class="lineno">  938</span>        <a class="code hl_define" href="userboot_8c.html#a2a6f5a01513f0f9ca1e58abdd5fdf68d">UB_LOG</a>(<span class="stringliteral">&quot;=============== [Firmware] Update [%d]/[%d] Bytes ===============\r\n&quot;</span>, offset + read_len, firmware_size);</div>
<div class="line"><a id="l00939" name="l00939"></a><span class="lineno">  939</span>    }</div>
<div class="line"><a id="l00940" name="l00940"></a><span class="lineno">  940</span>    <span class="comment">//只有完成固件写入才会将信息头写入 Chip-Flash</span></div>
<div class="line"><a id="l00941" name="l00941"></a><span class="lineno">  941</span>    <a class="code hl_struct" href="structdev__info__t.html">dev_info_t</a> dev_info;</div>
<div class="line"><a id="l00942" name="l00942"></a><span class="lineno">  942</span>    dev_info.<a class="code hl_variable" href="structdev__info__t.html#a6dfc16436f3665ca64b76194408d632d">boot</a> = <a class="code hl_variable" href="userboot_8c.html#a61b57d538c8e4da2b8682a3eb2262757">Device_Info</a>-&gt;<a class="code hl_variable" href="structdev__info__t.html#a6dfc16436f3665ca64b76194408d632d">boot</a>;</div>
<div class="line"><a id="l00943" name="l00943"></a><span class="lineno">  943</span>    dev_info.<a class="code hl_variable" href="structdev__info__t.html#a5a45e014ab7b8fb98cf91232e2981e01">boot_version</a> = <a class="code hl_variable" href="userboot_8c.html#a61b57d538c8e4da2b8682a3eb2262757">Device_Info</a>-&gt;<a class="code hl_variable" href="structdev__info__t.html#a5a45e014ab7b8fb98cf91232e2981e01">boot_version</a>;</div>
<div class="line"><a id="l00944" name="l00944"></a><span class="lineno">  944</span>    dev_info.<a class="code hl_variable" href="structdev__info__t.html#afa0b1880d8da843fe65a6d238539458c">app</a> = firmware_info; <span class="comment">//只改变了 app 固件头, 其他都是回读重写</span></div>
<div class="line"><a id="l00945" name="l00945"></a><span class="lineno">  945</span>    dev_info.<a class="code hl_variable" href="structdev__info__t.html#af0f0bc2625bc041256dc6a22c8cccb8c">reserve</a>[0] = <a class="code hl_variable" href="userboot_8c.html#a61b57d538c8e4da2b8682a3eb2262757">Device_Info</a>-&gt;<a class="code hl_variable" href="structdev__info__t.html#af0f0bc2625bc041256dc6a22c8cccb8c">reserve</a>[0];</div>
<div class="line"><a id="l00946" name="l00946"></a><span class="lineno">  946</span>    dev_info.<a class="code hl_variable" href="structdev__info__t.html#af0f0bc2625bc041256dc6a22c8cccb8c">reserve</a>[1] = <a class="code hl_variable" href="userboot_8c.html#a61b57d538c8e4da2b8682a3eb2262757">Device_Info</a>-&gt;<a class="code hl_variable" href="structdev__info__t.html#af0f0bc2625bc041256dc6a22c8cccb8c">reserve</a>[1];</div>
<div class="line"><a id="l00947" name="l00947"></a><span class="lineno">  947</span>    <span class="comment">//写入设备配置信息</span></div>
<div class="line"><a id="l00948" name="l00948"></a><span class="lineno">  948</span>    res = <a class="code hl_function" href="userboot_8c.html#a9412f435ea365342178b2399fc08a846">set_device_info</a>(&amp;dev_info);</div>
<div class="line"><a id="l00949" name="l00949"></a><span class="lineno">  949</span>    <span class="keywordflow">if</span> (res != 0)</div>
<div class="line"><a id="l00950" name="l00950"></a><span class="lineno">  950</span>    {</div>
<div class="line"><a id="l00951" name="l00951"></a><span class="lineno">  951</span>        <a class="code hl_define" href="userboot_8c.html#a2a6f5a01513f0f9ca1e58abdd5fdf68d">UB_LOG</a>(<span class="stringliteral">&quot;The [set_device_info] result is [%d]!\r\n&quot;</span>, res);</div>
<div class="line"><a id="l00952" name="l00952"></a><span class="lineno">  952</span>        <span class="keywordflow">goto</span> firmware_update_over;</div>
<div class="line"><a id="l00953" name="l00953"></a><span class="lineno">  953</span>    }</div>
<div class="line"><a id="l00954" name="l00954"></a><span class="lineno">  954</span>    <span class="comment">//===============================================更新结束===============================================//</span></div>
<div class="line"><a id="l00955" name="l00955"></a><span class="lineno">  955</span>firmware_update_over:</div>
<div class="line"><a id="l00956" name="l00956"></a><span class="lineno">  956</span>    f_close(&amp;file);</div>
<div class="line"><a id="l00957" name="l00957"></a><span class="lineno">  957</span>    <span class="keywordflow">if</span> (res == 0) <span class="comment">//固件更新成功, 则将本地存储中的待更新固件删掉, 避免后续重复更新</span></div>
<div class="line"><a id="l00958" name="l00958"></a><span class="lineno">  958</span>    {</div>
<div class="line"><a id="l00959" name="l00959"></a><span class="lineno">  959</span>        <span class="comment">/*res = */</span> f_unlink(path);</div>
<div class="line"><a id="l00960" name="l00960"></a><span class="lineno">  960</span>        <span class="comment">//TODO 重命名</span></div>
<div class="line"><a id="l00961" name="l00961"></a><span class="lineno">  961</span>    }</div>
<div class="line"><a id="l00962" name="l00962"></a><span class="lineno">  962</span>    <span class="keywordflow">return</span> res;</div>
<div class="line"><a id="l00963" name="l00963"></a><span class="lineno">  963</span>}</div>
<div class="ttc" id="absp__init_8h_html"><div class="ttname"><a href="bsp__init_8h.html">bsp_init.h</a></div><div class="ttdoc">板级硬件外设初始化</div></div>
<div class="ttc" id="adev__crc_8c_html_a64e0abe6c28e0480424c1e467afb7430"><div class="ttname"><a href="dev__crc_8c.html#a64e0abe6c28e0480424c1e467afb7430">get_crc32</a></div><div class="ttdeci">uint32_t get_crc32(uint32_t data)</div><div class="ttdoc">计算 CRC32 校验和</div><div class="ttdef"><b>Definition:</b> <a href="dev__crc_8c_source.html#l00057">dev_crc.c:57</a></div></div>
<div class="ttc" id="adev__crc_8c_html_af9273c2c56ccb1b14946a43defe57f6b"><div class="ttname"><a href="dev__crc_8c.html#af9273c2c56ccb1b14946a43defe57f6b">crc_init</a></div><div class="ttdeci">void crc_init(void)</div><div class="ttdoc">硬件 CRC 初始化</div><div class="ttdef"><b>Definition:</b> <a href="dev__crc_8c_source.html#l00031">dev_crc.c:31</a></div></div>
<div class="ttc" id="adev__uart_8c_html_afd092ef1d390fe16bc90e101bbbca1d8"><div class="ttname"><a href="dev__uart_8c.html#afd092ef1d390fe16bc90e101bbbca1d8">uart_debug_init</a></div><div class="ttdeci">void uart_debug_init(void)</div><div class="ttdoc">初始化用作打印调试日志的串口</div><div class="ttdef"><b>Definition:</b> <a href="dev__uart_8c_source.html#l00103">dev_uart.c:103</a></div></div>
<div class="ttc" id="aload__file_8c_html_a08687ba7285d01a737a269b697bb661c"><div class="ttname"><a href="load__file_8c.html#a08687ba7285d01a737a269b697bb661c">VolumeStr</a></div><div class="ttdeci">const char *const VolumeStr[FF_VOLUMES]</div><div class="ttdoc">User defied volume ID (详见 ffconf.h 内的 &quot;FF_STR_VOLUME_ID&quot; &quot;FF_VOLUME_STRS&quot; )</div><div class="ttdef"><b>Definition:</b> <a href="load__file_8c_source.html#l00108">load_file.c:108</a></div></div>
<div class="ttc" id="aload__file_8c_html_a2826c976bae07983300096521da284b4"><div class="ttname"><a href="load__file_8c.html#a2826c976bae07983300096521da284b4">fs_unmount</a></div><div class="ttdeci">uint8_t fs_unmount(disk_t disk)</div><div class="ttdoc">为磁盘卸载文件系统</div><div class="ttdef"><b>Definition:</b> <a href="load__file_8c_source.html#l00150">load_file.c:150</a></div></div>
<div class="ttc" id="aload__file_8c_html_aebe4a0d647831986c734e1788150a064"><div class="ttname"><a href="load__file_8c.html#aebe4a0d647831986c734e1788150a064">fs_mount</a></div><div class="ttdeci">uint8_t fs_mount(disk_t disk)</div><div class="ttdoc">为磁盘挂载文件系统</div><div class="ttdef"><b>Definition:</b> <a href="load__file_8c_source.html#l00128">load_file.c:128</a></div></div>
<div class="ttc" id="aload__file_8h_html_a44edb5dd69763758dda6af4dd162c997"><div class="ttname"><a href="load__file_8h.html#a44edb5dd69763758dda6af4dd162c997">disk_t</a></div><div class="ttdeci">disk_t</div><div class="ttdoc">磁盘类型</div><div class="ttdef"><b>Definition:</b> <a href="load__file_8h_source.html#l00040">load_file.h:41</a></div></div>
<div class="ttc" id="aload__file_8h_html_a44edb5dd69763758dda6af4dd162c997a65f6b55fdc64778bf10632a795b97761"><div class="ttname"><a href="load__file_8h.html#a44edb5dd69763758dda6af4dd162c997a65f6b55fdc64778bf10632a795b97761">USB</a></div><div class="ttdeci">@ USB</div><div class="ttdoc">U盘( Full / Low - Speed )</div><div class="ttdef"><b>Definition:</b> <a href="load__file_8h_source.html#l00044">load_file.h:44</a></div></div>
<div class="ttc" id="aload__file_8h_html_a44edb5dd69763758dda6af4dd162c997aefea9eb0772378037221a3f1fe759a76"><div class="ttname"><a href="load__file_8h.html#a44edb5dd69763758dda6af4dd162c997aefea9eb0772378037221a3f1fe759a76">SPI</a></div><div class="ttdeci">@ SPI</div><div class="ttdoc">SPI-Flash</div><div class="ttdef"><b>Definition:</b> <a href="load__file_8h_source.html#l00042">load_file.h:42</a></div></div>
<div class="ttc" id="astructdev__info__t_html"><div class="ttname"><a href="structdev__info__t.html">dev_info_t</a></div><div class="ttdoc">设备信息&lt;结构体总大小须保持 4 Word 对齐(因 FLASH_Write() 最少写入 4 个字)&gt;</div><div class="ttdef"><b>Definition:</b> <a href="userboot_8c_source.html#l00090">userboot.c:91</a></div></div>
<div class="ttc" id="astructdev__info__t_html_a5a45e014ab7b8fb98cf91232e2981e01"><div class="ttname"><a href="structdev__info__t.html#a5a45e014ab7b8fb98cf91232e2981e01">dev_info_t::boot_version</a></div><div class="ttdeci">uint32_t boot_version</div><div class="ttdoc">UserBoot 版本(版本均可约定以程序日期为例&quot;2022.10.16 =&gt; 0x20221016&quot;)</div><div class="ttdef"><b>Definition:</b> <a href="userboot_8c_source.html#l00093">userboot.c:93</a></div></div>
<div class="ttc" id="astructdev__info__t_html_a6dfc16436f3665ca64b76194408d632d"><div class="ttname"><a href="structdev__info__t.html#a6dfc16436f3665ca64b76194408d632d">dev_info_t::boot</a></div><div class="ttdeci">uint32_t boot</div><div class="ttdoc">UserBoot 引导启动标志</div><div class="ttdef"><b>Definition:</b> <a href="userboot_8c_source.html#l00092">userboot.c:92</a></div></div>
<div class="ttc" id="astructdev__info__t_html_af0f0bc2625bc041256dc6a22c8cccb8c"><div class="ttname"><a href="structdev__info__t.html#af0f0bc2625bc041256dc6a22c8cccb8c">dev_info_t::reserve</a></div><div class="ttdeci">uint32_t reserve[2]</div><div class="ttdoc">保留填充</div><div class="ttdef"><b>Definition:</b> <a href="userboot_8c_source.html#l00094">userboot.c:94</a></div></div>
<div class="ttc" id="astructdev__info__t_html_afa0b1880d8da843fe65a6d238539458c"><div class="ttname"><a href="structdev__info__t.html#afa0b1880d8da843fe65a6d238539458c">dev_info_t::app</a></div><div class="ttdeci">fw_info_t app</div><div class="ttdoc">固件信息</div><div class="ttdef"><b>Definition:</b> <a href="userboot_8c_source.html#l00095">userboot.c:95</a></div></div>
<div class="ttc" id="astructfw__info__t_html"><div class="ttname"><a href="structfw__info__t.html">fw_info_t</a></div><div class="ttdoc">固件信息&lt;结构体总大小须保持 4 Word 对齐(因 FLASH_Write() 最少写入 4 个字)&gt;</div><div class="ttdef"><b>Definition:</b> <a href="userboot_8c_source.html#l00081">userboot.c:82</a></div></div>
<div class="ttc" id="astructfw__info__t_html_a85b7a7f21b6108b69872839e2509cd67"><div class="ttname"><a href="structfw__info__t.html#a85b7a7f21b6108b69872839e2509cd67">fw_info_t::crc</a></div><div class="ttdeci">uint32_t crc</div><div class="ttdoc">固件 CRC32 校验和(使用 固件版本 + 固件大小 的结果作 CRC32 数据源)</div><div class="ttdef"><b>Definition:</b> <a href="userboot_8c_source.html#l00085">userboot.c:85</a></div></div>
<div class="ttc" id="astructfw__info__t_html_a8a0a8da4780d357dd4b4846a4d76fa0c"><div class="ttname"><a href="structfw__info__t.html#a8a0a8da4780d357dd4b4846a4d76fa0c">fw_info_t::reserve</a></div><div class="ttdeci">uint32_t reserve</div><div class="ttdoc">保留填充</div><div class="ttdef"><b>Definition:</b> <a href="userboot_8c_source.html#l00086">userboot.c:86</a></div></div>
<div class="ttc" id="astructfw__info__t_html_ab2c6b258f02add8fdf4cfc7c371dd772"><div class="ttname"><a href="structfw__info__t.html#ab2c6b258f02add8fdf4cfc7c371dd772">fw_info_t::size</a></div><div class="ttdeci">uint32_t size</div><div class="ttdoc">固件 大小(不包括附加信息)</div><div class="ttdef"><b>Definition:</b> <a href="userboot_8c_source.html#l00084">userboot.c:84</a></div></div>
<div class="ttc" id="astructfw__info__t_html_acd99bb05ca015e7d74448acb1deba7ca"><div class="ttname"><a href="structfw__info__t.html#acd99bb05ca015e7d74448acb1deba7ca">fw_info_t::version</a></div><div class="ttdeci">uint32_t version</div><div class="ttdoc">固件 版本(版本均可约定以程序日期为例&quot;2022.10.16 =&gt; 0x20221016&quot;)</div><div class="ttdef"><b>Definition:</b> <a href="userboot_8c_source.html#l00083">userboot.c:83</a></div></div>
<div class="ttc" id="auserboot_8c_html_a01aae38566ae3dd519a6c18696ab2806"><div class="ttname"><a href="userboot_8c.html#a01aae38566ae3dd519a6c18696ab2806">reset_mcu</a></div><div class="ttdeci">static void reset_mcu(void)</div><div class="ttdoc">重启 MCU</div><div class="ttdef"><b>Definition:</b> <a href="userboot_8c_source.html#l00625">userboot.c:625</a></div></div>
<div class="ttc" id="auserboot_8c_html_a0591f13c34e15c4d9fbe31fd99726a94"><div class="ttname"><a href="userboot_8c.html#a0591f13c34e15c4d9fbe31fd99726a94">data_decode</a></div><div class="ttdeci">int data_decode(const void *src_buff, void *dst_buff, uint32_t bytes)</div><div class="ttdoc">数据解密</div><div class="ttdef"><b>Definition:</b> <a href="userboot_8c_source.html#l00606">userboot.c:606</a></div></div>
<div class="ttc" id="auserboot_8c_html_a19a96f539c8c822d99992939cc6e6a29"><div class="ttname"><a href="userboot_8c.html#a19a96f539c8c822d99992939cc6e6a29">Flash_Alignment</a></div><div class="ttdeci">#define Flash_Alignment</div><div class="ttdoc">Flash-IAP 操作须对齐的大小( 4K 对齐 )</div><div class="ttdef"><b>Definition:</b> <a href="userboot_8c_source.html#l00101">userboot.c:101</a></div></div>
<div class="ttc" id="auserboot_8c_html_a24048df1d0e7c6baee931ac9501003b6"><div class="ttname"><a href="userboot_8c.html#a24048df1d0e7c6baee931ac9501003b6">Firmware_Name_Update</a></div><div class="ttdeci">const char *const Firmware_Name_Update</div><div class="ttdoc">存放至本地 (SPI-Flash) 的待更新固件文件名</div><div class="ttdef"><b>Definition:</b> <a href="userboot_8c_source.html#l00121">userboot.c:121</a></div></div>
<div class="ttc" id="auserboot_8c_html_a270e2ece511b8901a7b62fbb52579127"><div class="ttname"><a href="userboot_8c.html#a270e2ece511b8901a7b62fbb52579127">Move_Disk</a></div><div class="ttdeci">static const disk_t Move_Disk</div><div class="ttdoc">当第一次上电没有固件时, 默认去搜寻的外部磁盘类型(考虑到 SWM34SCE-48Pin 没有 SDIO 端口)</div><div class="ttdef"><b>Definition:</b> <a href="userboot_8c_source.html#l00115">userboot.c:115</a></div></div>
<div class="ttc" id="auserboot_8c_html_a28c8f7a4d5f717351aca6027fd3d7ab7"><div class="ttname"><a href="userboot_8c.html#a28c8f7a4d5f717351aca6027fd3d7ab7">Firmware_Disk</a></div><div class="ttdeci">const disk_t Firmware_Disk</div><div class="ttdoc">本地磁盘类型</div><div class="ttdef"><b>Definition:</b> <a href="userboot_8c_source.html#l00125">userboot.c:125</a></div></div>
<div class="ttc" id="auserboot_8c_html_a2a27e05527d357738dc88150ec892e0a"><div class="ttname"><a href="userboot_8c.html#a2a27e05527d357738dc88150ec892e0a">UserBoot_Version</a></div><div class="ttdeci">static const uint32_t UserBoot_Version</div><div class="ttdoc">UserBoot 程序版本</div><div class="ttdef"><b>Definition:</b> <a href="userboot_8c_source.html#l00105">userboot.c:105</a></div></div>
<div class="ttc" id="auserboot_8c_html_a2a6f5a01513f0f9ca1e58abdd5fdf68d"><div class="ttname"><a href="userboot_8c.html#a2a6f5a01513f0f9ca1e58abdd5fdf68d">UB_LOG</a></div><div class="ttdeci">#define UB_LOG(...)</div><div class="ttdoc">模块调试日志打印宏</div><div class="ttdef"><b>Definition:</b> <a href="userboot_8c_source.html#l00072">userboot.c:72</a></div></div>
<div class="ttc" id="auserboot_8c_html_a38146cd83df0f418546b0eadaeb369ff"><div class="ttname"><a href="userboot_8c.html#a38146cd83df0f418546b0eadaeb369ff">Read_Buff</a></div><div class="ttdeci">static uint8_t Read_Buff[Flash_Alignment]</div><div class="ttdoc">读缓冲区(消耗RAM太大, 优化放置在 SDRAM )</div><div class="ttdef"><b>Definition:</b> <a href="userboot_8c_source.html#l00145">userboot.c:145</a></div></div>
<div class="ttc" id="auserboot_8c_html_a43be464e9071b97862e51b2273afd856"><div class="ttname"><a href="userboot_8c.html#a43be464e9071b97862e51b2273afd856">firmware_backup</a></div><div class="ttdeci">static uint8_t firmware_backup(const char *path, data_code_cb data_enc)</div><div class="ttdoc">固件备份 (Chip-Flash&lt;运行区&gt; =&gt; 本地存储&lt;备份区&gt;)</div><div class="ttdef"><b>Definition:</b> <a href="userboot_8c_source.html#l00739">userboot.c:739</a></div></div>
<div class="ttc" id="auserboot_8c_html_a4a0b2732c5f61ce1fb64c5c1e63f6df3"><div class="ttname"><a href="userboot_8c.html#a4a0b2732c5f61ce1fb64c5c1e63f6df3">Write_Buff</a></div><div class="ttdeci">static uint8_t Write_Buff[Flash_Alignment]</div><div class="ttdoc">写缓冲区(消耗RAM太大, 优化放置在 SDRAM )</div><div class="ttdef"><b>Definition:</b> <a href="userboot_8c_source.html#l00147">userboot.c:147</a></div></div>
<div class="ttc" id="auserboot_8c_html_a52a519a37465a7b4515a237114afa802"><div class="ttname"><a href="userboot_8c.html#a52a519a37465a7b4515a237114afa802">data_encode</a></div><div class="ttdeci">int data_encode(const void *src_buff, void *dst_buff, uint32_t bytes)</div><div class="ttdoc">数据加密</div><div class="ttdef"><b>Definition:</b> <a href="userboot_8c_source.html#l00587">userboot.c:587</a></div></div>
<div class="ttc" id="auserboot_8c_html_a538e1fe7d9d421fde968ca66d523f230"><div class="ttname"><a href="userboot_8c.html#a538e1fe7d9d421fde968ca66d523f230">Firmware_Name_Backup</a></div><div class="ttdeci">const char *const Firmware_Name_Backup</div><div class="ttdoc">存放至本地 (SPI-Flash) 的备份固件文件名</div><div class="ttdef"><b>Definition:</b> <a href="userboot_8c_source.html#l00123">userboot.c:123</a></div></div>
<div class="ttc" id="auserboot_8c_html_a5d51bf8d3184d1c34b5fde41d69b1559"><div class="ttname"><a href="userboot_8c.html#a5d51bf8d3184d1c34b5fde41d69b1559">userboot</a></div><div class="ttdeci">void userboot(void)</div><div class="ttdoc">UserBoot 功能</div><div class="ttdef"><b>Definition:</b> <a href="userboot_8c_source.html#l00168">userboot.c:168</a></div></div>
<div class="ttc" id="auserboot_8c_html_a61b57d538c8e4da2b8682a3eb2262757"><div class="ttname"><a href="userboot_8c.html#a61b57d538c8e4da2b8682a3eb2262757">Device_Info</a></div><div class="ttdeci">static const dev_info_t *const Device_Info</div><div class="ttdoc">将设备信息存储于 ROM 中(可以是 Chip-Flash 或 SPI-Flash )&lt;以 4K Bytes 地址对齐存储于 UserBoot 末尾 &lt;-&gt; APP 运行地址前&gt; 注意 : 该定向指针只...</div><div class="ttdef"><b>Definition:</b> <a href="userboot_8c_source.html#l00112">userboot.c:112</a></div></div>
<div class="ttc" id="auserboot_8c_html_a71659dad8cb67ca7cd6b16840ad9b2f3"><div class="ttname"><a href="userboot_8c.html#a71659dad8cb67ca7cd6b16840ad9b2f3">UserBoot_Addr</a></div><div class="ttdeci">static const uint32_t UserBoot_Addr</div><div class="ttdoc">UserBoot 加载地址</div><div class="ttdef"><b>Definition:</b> <a href="userboot_8c_source.html#l00103">userboot.c:103</a></div></div>
<div class="ttc" id="auserboot_8c_html_a759a4106353e92e06e9d15926228c576"><div class="ttname"><a href="userboot_8c.html#a759a4106353e92e06e9d15926228c576">firmware_download</a></div><div class="ttdeci">uint8_t firmware_download(const char *src_path, const char *dst_path, data_code_cb data_enc)</div><div class="ttdoc">固件下载 (外部 =&gt; 本地)</div><div class="ttdef"><b>Definition:</b> <a href="userboot_8c_source.html#l00461">userboot.c:461</a></div></div>
<div class="ttc" id="auserboot_8c_html_a78c7624204dca44707593279758c0c98"><div class="ttname"><a href="userboot_8c.html#a78c7624204dca44707593279758c0c98">jump_to_app</a></div><div class="ttdeci">static void jump_to_app(const uint32_t addr)</div><div class="ttdoc">跳转至 APP 加载地址运行</div><div class="ttdef"><b>Definition:</b> <a href="userboot_8c_source.html#l00639">userboot.c:639</a></div></div>
<div class="ttc" id="auserboot_8c_html_a7e49962dc2be19adc1eb81eae2a78320"><div class="ttname"><a href="userboot_8c.html#a7e49962dc2be19adc1eb81eae2a78320">UserBoot_Size</a></div><div class="ttdeci">static const uint32_t UserBoot_Size</div><div class="ttdoc">UserBoot 预设大小 &lt;4K 对齐&gt; (可预留多一些, 以便后续有更新 UserBoot 的需求, 暂未预留接口实现)</div><div class="ttdef"><b>Definition:</b> <a href="userboot_8c_source.html#l00104">userboot.c:104</a></div></div>
<div class="ttc" id="auserboot_8c_html_a9412f435ea365342178b2399fc08a846"><div class="ttname"><a href="userboot_8c.html#a9412f435ea365342178b2399fc08a846">set_device_info</a></div><div class="ttdeci">static uint8_t set_device_info(const dev_info_t *ptr)</div><div class="ttdoc">写入固件信息, 并自带回读校验</div><div class="ttdef"><b>Definition:</b> <a href="userboot_8c_source.html#l00690">userboot.c:690</a></div></div>
<div class="ttc" id="auserboot_8c_html_aacc50e52c6d7172179c43b3dbc22b7e1"><div class="ttname"><a href="userboot_8c.html#aacc50e52c6d7172179c43b3dbc22b7e1">Firmware_Max_Size</a></div><div class="ttdeci">static const uint32_t Firmware_Max_Size</div><div class="ttdoc">APP 大小上限</div><div class="ttdef"><b>Definition:</b> <a href="userboot_8c_source.html#l00107">userboot.c:107</a></div></div>
<div class="ttc" id="auserboot_8c_html_ab7b25dc5a7178e72dbb35375eb06604d"><div class="ttname"><a href="userboot_8c.html#ab7b25dc5a7178e72dbb35375eb06604d">Firmware_Addr</a></div><div class="ttdeci">static const uint32_t Firmware_Addr</div><div class="ttdoc">APP 加载地址</div><div class="ttdef"><b>Definition:</b> <a href="userboot_8c_source.html#l00106">userboot.c:106</a></div></div>
<div class="ttc" id="auserboot_8c_html_ac8462a2c24f4214d1a59575a24920bbe"><div class="ttname"><a href="userboot_8c.html#ac8462a2c24f4214d1a59575a24920bbe">Chip_Flash_Max_Size</a></div><div class="ttdeci">static const uint32_t Chip_Flash_Max_Size</div><div class="ttdoc">SWM341 系列 Flash 容量上限 512K Bytes</div><div class="ttdef"><b>Definition:</b> <a href="userboot_8c_source.html#l00102">userboot.c:102</a></div></div>
<div class="ttc" id="auserboot_8c_html_acdd804b92809fcd58b2bc135fc74666c"><div class="ttname"><a href="userboot_8c.html#acdd804b92809fcd58b2bc135fc74666c">jump_to_userboot</a></div><div class="ttdeci">void jump_to_userboot(uint32_t boot_flag, bool wait)</div><div class="ttdoc">跳转至 UserBoot 执行对应动作</div><div class="ttdef"><b>Definition:</b> <a href="userboot_8c_source.html#l00417">userboot.c:417</a></div></div>
<div class="ttc" id="auserboot_8c_html_ae1cbf84771d87b5530710ae6852bd827"><div class="ttname"><a href="userboot_8c.html#ae1cbf84771d87b5530710ae6852bd827">firmware_update</a></div><div class="ttdeci">static uint8_t firmware_update(const char *path, data_code_cb data_dec)</div><div class="ttdoc">固件更新 (本地存储&lt;备份区&gt; =&gt; Chip-Flash&lt;运行区&gt;)</div><div class="ttdef"><b>Definition:</b> <a href="userboot_8c_source.html#l00841">userboot.c:841</a></div></div>
<div class="ttc" id="auserboot_8c_html_aeeea4715dd32a4a4ecdf61a2869d1307"><div class="ttname"><a href="userboot_8c.html#aeeea4715dd32a4a4ecdf61a2869d1307">calculate_crc</a></div><div class="ttdeci">static uint32_t calculate_crc(fw_info_t *data)</div><div class="ttdoc">计算 CRC 校验和</div><div class="ttdef"><b>Definition:</b> <a href="userboot_8c_source.html#l00679">userboot.c:679</a></div></div>
<div class="ttc" id="auserboot_8h_html"><div class="ttname"><a href="userboot_8h.html">userboot.h</a></div><div class="ttdoc">IAP 实现 UserBoot 功能</div></div>
<div class="ttc" id="auserboot_8h_html_a734de0e7ed34780e74e947005d781741"><div class="ttname"><a href="userboot_8h.html#a734de0e7ed34780e74e947005d781741">EXEC_UPDATE</a></div><div class="ttdeci">#define EXEC_UPDATE</div><div class="ttdoc">更新固件(检测到有可更新的固件)</div><div class="ttdef"><b>Definition:</b> <a href="userboot_8h_source.html#l00067">userboot.h:67</a></div></div>
<div class="ttc" id="auserboot_8h_html_a73b10fad3e8bed1f1afc0b09e52b4498"><div class="ttname"><a href="userboot_8h.html#a73b10fad3e8bed1f1afc0b09e52b4498">data_code_cb</a></div><div class="ttdeci">int(* data_code_cb)(const void *src_buff, void *dst_buff, uint32_t bytes)</div><div class="ttdoc">数据加密/解密回调</div><div class="ttdef"><b>Definition:</b> <a href="userboot_8h_source.html#l00072">userboot.h:72</a></div></div>
<div class="ttc" id="auserboot_8h_html_a9253bb7b430cfb21c7a598b2bf67cceb"><div class="ttname"><a href="userboot_8h.html#a9253bb7b430cfb21c7a598b2bf67cceb">BACKUP_RESTORE</a></div><div class="ttdeci">#define BACKUP_RESTORE</div><div class="ttdoc">恢复固件(从备份中)</div><div class="ttdef"><b>Definition:</b> <a href="userboot_8h_source.html#l00068">userboot.h:68</a></div></div>
<div class="ttc" id="auserboot_8h_html_ab5291277ab324974f338bae35cb1c659"><div class="ttname"><a href="userboot_8h.html#ab5291277ab324974f338bae35cb1c659">GO_APP</a></div><div class="ttdeci">#define GO_APP</div><div class="ttdoc">运行固件</div><div class="ttdef"><b>Definition:</b> <a href="userboot_8h_source.html#l00066">userboot.h:66</a></div></div>
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